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<div class="title">cdefs.h</div> </div>
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<a href="cdefs_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*-</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 1991, 1993</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * The Regents of the University of California. All rights reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * This code is derived from software contributed to Berkeley by</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Berkeley Software Design, Inc.</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * modification, are permitted provided that the following conditions</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * are met:</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * notice, this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * notice, this list of conditions and the following disclaimer in the</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * documentation and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * 4. Neither the name of the University nor the names of its contributors</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * may be used to endorse or promote products derived from this software</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * without specific prior written permission.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * SUCH DAMAGE.</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * @(#)cdefs.h 8.8 (Berkeley) 1/9/95</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * $FreeBSD: releng/11.1/sys/sys/cdefs.h 317342 2017-04-23 20:32:46Z kib $</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#ifndef _SYS_CDEFS_H_</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#define _SYS_CDEFS_H_</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * Testing against Clang-specific extensions.</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#ifndef __has_attribute</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a54d2d7742701f3f112afbcd8d4f9ccdb"> 43</a></span> <span class="preprocessor">#define __has_attribute(x) 0</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#ifndef __has_extension</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="cdefs_8h.html#aea1c4f7b66a67b78ad863176338dae8d"> 46</a></span> <span class="preprocessor">#define __has_extension __has_feature</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#ifndef __has_feature</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="cdefs_8h.html#af989845e24678c452b9222afdac95e7f"> 49</a></span> <span class="preprocessor">#define __has_feature(x) 0</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#ifndef __has_include</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="cdefs_8h.html#ae5510d82e4946f1656f4969911c54736"> 52</a></span> <span class="preprocessor">#define __has_include(x) 0</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#ifndef __has_builtin</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a447121dcab4275b7839a56082b7a1ab8"> 55</a></span> <span class="preprocessor">#define __has_builtin(x) 0</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#if defined(__cplusplus)</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#define __BEGIN_DECLS extern "C" {</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#define __END_DECLS }</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a568e6bde99652b7fd271ad206cfe38f5"> 62</a></span> <span class="preprocessor">#define __BEGIN_DECLS</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a115472f6d0d1035f1885658ce0821537"> 63</a></span> <span class="preprocessor">#define __END_DECLS</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> * This code has been put in place to help reduce the addition of</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"> * compiler specific defines in FreeBSD code. It helps to aid in</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"> * having a compiler-agnostic source tree.</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#if defined(__GNUC__) || defined(__INTEL_COMPILER)</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#if __GNUC__ >= 3 || defined(__INTEL_COMPILER)</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#define __GNUCLIKE_ASM 3</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#define __GNUCLIKE_MATH_BUILTIN_CONSTANTS</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#define __GNUCLIKE_ASM 2</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor">#define __GNUCLIKE___TYPEOF 1</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#define __GNUCLIKE___OFFSETOF 1</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor">#define __GNUCLIKE___SECTION 1</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#ifndef __INTEL_COMPILER</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">#define __GNUCLIKE_CTOR_SECTION_HANDLING 1</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#define __GNUCLIKE_BUILTIN_CONSTANT_P 1</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">#if defined(__INTEL_COMPILER) && defined(__cplusplus) && \</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor"> __INTEL_COMPILER < 800</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor">#undef __GNUCLIKE_BUILTIN_CONSTANT_P</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#if (__GNUC_MINOR__ > 95 || __GNUC__ >= 3)</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="preprocessor">#define __GNUCLIKE_BUILTIN_VARARGS 1</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#define __GNUCLIKE_BUILTIN_STDARG 1</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="preprocessor">#define __GNUCLIKE_BUILTIN_VAALIST 1</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor">#if defined(__GNUC__)</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor">#define __GNUC_VA_LIST_COMPATIBILITY 1</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> * Compiler memory barriers, specific to gcc and clang.</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor">#if defined(__GNUC__)</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor">#define __compiler_membar() __asm __volatile(" " : : : "memory")</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor">#ifndef __INTEL_COMPILER</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor">#define __GNUCLIKE_BUILTIN_NEXT_ARG 1</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor">#define __GNUCLIKE_MATH_BUILTIN_RELOPS</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor">#define __GNUCLIKE_BUILTIN_MEMCPY 1</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment">/* XXX: if __GNUC__ >= 2: not tested everywhere originally, where replaced */</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor">#define __CC_SUPPORTS_INLINE 1</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="preprocessor">#define __CC_SUPPORTS___INLINE 1</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor">#define __CC_SUPPORTS___INLINE__ 1</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor">#define __CC_SUPPORTS___FUNC__ 1</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor">#define __CC_SUPPORTS_WARNING 1</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor">#define __CC_SUPPORTS_VARADIC_XXX 1 </span><span class="comment">/* see varargs.h */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor">#define __CC_SUPPORTS_DYNAMIC_ARRAY_INIT 1</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="preprocessor">#endif </span><span class="comment">/* __GNUC__ || __INTEL_COMPILER */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"> * Macro to test if we're using a specific version of gcc or later.</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#if defined(__GNUC__) && !defined(__INTEL_COMPILER)</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor">#define __GNUC_PREREQ__(ma, mi) \</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor"> (__GNUC__ > (ma) || __GNUC__ == (ma) && __GNUC_MINOR__ >= (mi))</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a8ad83e59d8025ccb736e81b4119860f0"> 139</a></span> <span class="preprocessor">#define __GNUC_PREREQ__(ma, mi) 0</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  </div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment"> * The __CONCAT macro is used to concatenate parts of symbol names, e.g.</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment"> * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment"> * The __CONCAT macro is a bit tricky to use if it must work in non-ANSI</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"> * mode -- there must be no spaces between its arguments, and for nested</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> * __CONCAT's, all the __CONCAT's must be at the left. __CONCAT can also</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> * concatenate double-quoted strings produced by the __STRING macro, but</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> * this only works with ANSI C.</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> * __XSTRING is like __STRING, but it expands any macros in its argument</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> * first. It is only available with ANSI C.</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="preprocessor">#if defined(__STDC__) || defined(__cplusplus)</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor">#define __P(protos) protos </span><span class="comment">/* full-blown ANSI C */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor">#define __CONCAT1(x,y) x ## y</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor">#define __CONCAT(x,y) __CONCAT1(x,y)</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor">#define __STRING(x) #x </span><span class="comment">/* stringify without expanding x */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor">#define __XSTRING(x) __STRING(x) </span><span class="comment">/* expand x, then stringify */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor">#define __const const </span><span class="comment">/* define reserved names to standard */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="preprocessor">#define __signed signed</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="preprocessor">#define __volatile volatile</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="preprocessor">#if defined(__cplusplus)</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="preprocessor">#define __inline inline </span><span class="comment">/* convert to C++ keyword */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="preprocessor">#if !(defined(__CC_SUPPORTS___INLINE))</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="preprocessor">#define __inline </span><span class="comment">/* delete GCC keyword */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="preprocessor">#endif </span><span class="comment">/* ! __CC_SUPPORTS___INLINE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="preprocessor">#endif </span><span class="comment">/* !__cplusplus */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  </div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="preprocessor">#else </span><span class="comment">/* !(__STDC__ || __cplusplus) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00173"></a><span class="lineno"><a class="line" href="cdefs_8h.html#aa99416b55b01472d67172a340afbe3b1"> 173</a></span> <span class="preprocessor">#define __P(protos) () </span><span class="comment">/* traditional C preprocessor */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a55835dbed10508bb7c57700e8f6a81c6"> 174</a></span> <span class="preprocessor">#define __CONCAT(x,y) xy</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a375c4dc9f0fb338999de81aab826f9d6"> 175</a></span> <span class="preprocessor">#define __STRING(x) "x"</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="preprocessor">#if !defined(__CC_SUPPORTS___INLINE)</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a237c48d7689530103740c2294e0575e0"> 178</a></span> <span class="preprocessor">#define __const </span><span class="comment">/* delete pseudo-ANSI C keywords */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00179"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a96deb7ba5a74848afb710cc4ee6d2c08"> 179</a></span> <span class="preprocessor">#define __inline</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a58c7ed46bc7eec7c52b88efd6b8964d5"> 180</a></span> <span class="preprocessor">#define __signed</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a9968b9f119910bbbbe82403fd875ef8f"> 181</a></span> <span class="preprocessor">#define __volatile</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"> * In non-ANSI C environments, new programs will want ANSI-only C keywords</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment"> * deleted from the program and old programs will want them left alone.</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment"> * When using a compiler other than gcc, programs using the ANSI C keywords</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment"> * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS.</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment"> * When using "gcc -traditional", we assume that this is the intent; if</span></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment"> * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone.</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="preprocessor">#ifndef NO_ANSI_KEYWORDS</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a2c212835823e3c54a8ab6d95c652660e"> 191</a></span> <span class="preprocessor">#define const </span><span class="comment">/* delete ANSI C keywords */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00192"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a00d24c7231be28dbaf71f5408f30e44c"> 192</a></span> <span class="preprocessor">#define inline</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"><a class="line" href="cdefs_8h.html#ae31516cd0c4adc3d52b93ef2e5c6117b"> 193</a></span> <span class="preprocessor">#define signed</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="cdefs_8h.html#af55a5e48555be7d32ad73e76cf5d4db0"> 194</a></span> <span class="preprocessor">#define volatile</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="preprocessor">#endif </span><span class="comment">/* !NO_ANSI_KEYWORDS */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="preprocessor">#endif </span><span class="comment">/* !__CC_SUPPORTS___INLINE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="preprocessor">#endif </span><span class="comment">/* !(__STDC__ || __cplusplus) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  </div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> * Compiler-dependent macros to help declare dead (non-returning) and</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment"> * pure (no side effects) functions, and unused variables. They are</span></div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment"> * null except for versions of gcc that are known to support the features</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment"> * properly (old versions of gcc-2 supported the dead and pure features</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="comment"> * in a different (wrong) way). If we do not provide an implementation</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"> * for a given compiler, let the compile fail if it is told to use</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment"> * a feature that we cannot live without.</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="preprocessor">#ifdef lint</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="preprocessor">#define __dead2</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="preprocessor">#define __pure2</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="preprocessor">#define __unused</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="preprocessor">#define __packed</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="preprocessor">#define __aligned(x)</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="preprocessor">#define __alloc_align(x)</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="preprocessor">#define __alloc_size(x)</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="preprocessor">#define __section(x)</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor">#define __weak_symbol</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a442aaa892ac5c8616b1aca227c5aad97"> 219</a></span> <span class="preprocessor">#define __weak_symbol __attribute__((__weak__))</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="preprocessor">#if !__GNUC_PREREQ__(2, 5) && !defined(__INTEL_COMPILER)</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a76082b09261c8d1d35bcc0b41e916fb6"> 221</a></span> <span class="preprocessor">#define __dead2</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a2542d742d75f94143ae25799cd33d49f"> 222</a></span> <span class="preprocessor">#define __pure2</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a2e3484535ee610c8e19e9859563abe48"> 223</a></span> <span class="preprocessor">#define __unused</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="preprocessor">#if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 && __GNUC_MINOR__ < 7 && !defined(__INTEL_COMPILER)</span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="preprocessor">#define __dead2 __attribute__((__noreturn__))</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="preprocessor">#define __pure2 __attribute__((__const__))</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="preprocessor">#define __unused</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment">/* XXX Find out what to do for __packed, __aligned and __section */</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="preprocessor">#if __GNUC_PREREQ__(2, 7) || defined(__INTEL_COMPILER)</span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="preprocessor">#define __dead2 __attribute__((__noreturn__))</span></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="preprocessor">#define __pure2 __attribute__((__const__))</span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="preprocessor">#define __unused __attribute__((__unused__))</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="preprocessor">#define __used __attribute__((__used__))</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="preprocessor">#define __packed __attribute__((__packed__))</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="preprocessor">#define __aligned(x) __attribute__((__aligned__(x)))</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="preprocessor">#define __section(x) __attribute__((__section__(x)))</span></div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="preprocessor">#if __GNUC_PREREQ__(4, 3) || __has_attribute(__alloc_size__)</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="preprocessor">#define __alloc_size(x) __attribute__((__alloc_size__(x)))</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"><a class="line" href="cdefs_8h.html#aa1cb341b18f1a937d9a64f8d98dc2467"> 243</a></span> <span class="preprocessor">#define __alloc_size(x)</span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="preprocessor">#if __GNUC_PREREQ__(4, 9) || __has_attribute(__alloc_align__)</span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="preprocessor">#define __alloc_align(x) __attribute__((__alloc_align__(x)))</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a866b546ca5c56e031293502c1393d4e8"> 248</a></span> <span class="preprocessor">#define __alloc_align(x)</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="preprocessor">#endif </span><span class="comment">/* lint */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  </div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="preprocessor">#if !__GNUC_PREREQ__(2, 95)</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a61c51d1c0b2accc9168cf76a5152fc9d"> 253</a></span> <span class="preprocessor">#define __alignof(x) __offsetof(struct { char __a; x __b; }, __b)</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  </div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment"> * Keywords added in C11.</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  </div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="preprocessor">#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 201112L || defined(lint)</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  </div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="preprocessor">#if !__has_extension(c_alignas)</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="preprocessor">#if (defined(__cplusplus) && __cplusplus >= 201103L) || \</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="preprocessor"> __has_extension(cxx_alignas)</span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="preprocessor">#define _Alignas(x) alignas(x)</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment">/* XXX: Only emulates _Alignas(constant-expression); not _Alignas(type-name). */</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a3e8865ef859a8bf3308f30e22da747f6"> 268</a></span> <span class="preprocessor">#define _Alignas(x) __aligned(x)</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  </div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor">#if defined(__cplusplus) && __cplusplus >= 201103L</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="preprocessor">#define _Alignof(x) alignof(x)</span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"><a class="line" href="cdefs_8h.html#afcb8d15f870cea9564e9e367085258da"> 275</a></span> <span class="preprocessor">#define _Alignof(x) __alignof(x)</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  </div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="preprocessor">#if !defined(__cplusplus) && !__has_extension(c_atomic) && \</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="preprocessor"> !__has_extension(cxx_atomic)</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment"> * No native support for _Atomic(). Place object in structure to prevent</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="comment"> * most forms of direct non-atomic access.</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00284"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a52600f5d4caab9c54707d8e21d1d1761"> 284</a></span> <span class="preprocessor">#define _Atomic(T) struct { T volatile __val; }</span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  </div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="preprocessor">#if defined(__cplusplus) && __cplusplus >= 201103L</span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="preprocessor">#define _Noreturn [[noreturn]]</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00290"></a><span class="lineno"><a class="line" href="cdefs_8h.html#afdc60192553b70b37149691b71022d5a"> 290</a></span> <span class="preprocessor">#define _Noreturn __dead2</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  </div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="preprocessor">#if !__has_extension(c_static_assert)</span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="preprocessor">#if (defined(__cplusplus) && __cplusplus >= 201103L) || \</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="preprocessor"> __has_extension(cxx_static_assert)</span></div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="preprocessor">#define _Static_assert(x, y) static_assert(x, y)</span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="preprocessor">#elif __GNUC_PREREQ__(4,6)</span></div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="comment">/* Nothing, gcc 4.6 and higher has _Static_assert built-in */</span></div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="preprocessor">#elif defined(__COUNTER__)</span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="preprocessor">#define _Static_assert(x, y) __Static_assert(x, __COUNTER__)</span></div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="preprocessor">#define __Static_assert(x, y) ___Static_assert(x, y)</span></div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="preprocessor">#define ___Static_assert(x, y) typedef char __assert_ ## y[(x) ? 1 : -1] \</span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="preprocessor"> __unused</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a450c744d17395fc6f5a61f1bc9d70d4a"> 305</a></span> <span class="preprocessor">#define _Static_assert(x, y) struct __hack</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  </div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="preprocessor">#if !__has_extension(c_thread_local)</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="comment"> * XXX: Some compilers (Clang 3.3, GCC 4.7) falsely announce C++11 mode</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"> * without actually supporting the thread_local keyword. Don't check for</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment"> * the presence of C++11 when defining _Thread_local.</span></div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="preprocessor">#if </span><span class="comment">/* (defined(__cplusplus) && __cplusplus >= 201103L) || */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="preprocessor"> __has_extension(cxx_thread_local)</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="preprocessor">#define _Thread_local thread_local</span></div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00319"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a6ee13d5bcebab292dbc98e06c6cf9fe7"> 319</a></span> <span class="preprocessor">#define _Thread_local __thread</span></div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  </div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="preprocessor">#endif </span><span class="comment">/* __STDC_VERSION__ || __STDC_VERSION__ < 201112L */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  </div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="comment"> * Emulation of C11 _Generic(). Unlike the previously defined C11</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="comment"> * keywords, it is not possible to implement this using exactly the same</span></div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="comment"> * syntax. Therefore implement something similar under the name</span></div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment"> * __generic(). Unlike _Generic(), this macro can only distinguish</span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment"> * between a single type, so it requires nested invocations to</span></div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="comment"> * distinguish multiple cases.</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  </div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="preprocessor">#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) || \</span></div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="preprocessor"> __has_extension(c_generic_selections)</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="preprocessor">#define __generic(expr, t, yes, no) \</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="preprocessor"> _Generic(expr, t: yes, default: no)</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="preprocessor">#elif __GNUC_PREREQ__(3, 1) && !defined(__cplusplus)</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="preprocessor">#define __generic(expr, t, yes, no) \</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="preprocessor"> __builtin_choose_expr( \</span></div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="preprocessor"> __builtin_types_compatible_p(__typeof(expr), t), yes, no)</span></div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  </div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment"> * C99 Static array indices in function parameter declarations. Syntax such as:</span></div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="comment"> * void bar(int myArray[static 10]);</span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="comment"> * is allowed in C99 but not in C++. Define __min_size appropriately so</span></div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="comment"> * headers using it can be compiled in either language. Use like this:</span></div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="comment"> * void bar(int myArray[__min_size(10)]);</span></div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="preprocessor">#if !defined(__cplusplus) && \</span></div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="preprocessor"> (defined(__clang__) || __GNUC_PREREQ__(4, 6)) && \</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="preprocessor"> (!defined(__STDC_VERSION__) || (__STDC_VERSION__ >= 199901))</span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="preprocessor">#define __min_size(x) static (x)</span></div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00356"></a><span class="lineno"><a class="line" href="cdefs_8h.html#af9f1cc74e1b4535545f741c257e2db27"> 356</a></span> <span class="preprocessor">#define __min_size(x) (x)</span></div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  </div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="preprocessor">#if __GNUC_PREREQ__(2, 96)</span></div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="preprocessor">#define __malloc_like __attribute__((__malloc__))</span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="preprocessor">#define __pure __attribute__((__pure__))</span></div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"><a class="line" href="cdefs_8h.html#ac442f8f09affe902f2f2be61281d2edd"> 363</a></span> <span class="preprocessor">#define __malloc_like</span></div>
<div class="line"><a name="l00364"></a><span class="lineno"><a class="line" href="cdefs_8h.html#ab8d4aa7e9ca368db7220dc9747189f1c"> 364</a></span> <span class="preprocessor">#define __pure</span></div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  </div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="preprocessor">#if __GNUC_PREREQ__(3, 1) || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 800)</span></div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="preprocessor">#define __always_inline __attribute__((__always_inline__))</span></div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00370"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a6034e8cd4bcd5bacfd060abd01bbd8a8"> 370</a></span> <span class="preprocessor">#define __always_inline</span></div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  </div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="preprocessor">#if __GNUC_PREREQ__(3, 1)</span></div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="preprocessor">#define __noinline __attribute__ ((__noinline__))</span></div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00376"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a2a3055fa9fd2b7c91df69c75e185e76f"> 376</a></span> <span class="preprocessor">#define __noinline</span></div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  </div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="preprocessor">#if __GNUC_PREREQ__(3, 3)</span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="preprocessor">#define __nonnull(x) __attribute__((__nonnull__(x)))</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="preprocessor">#define __nonnull_all __attribute__((__nonnull__))</span></div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00383"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a1c6a42786b5806f81419b96a5aa43937"> 383</a></span> <span class="preprocessor">#define __nonnull(x)</span></div>
<div class="line"><a name="l00384"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a4134fdf661051fd3211390fbf4222b74"> 384</a></span> <span class="preprocessor">#define __nonnull_all</span></div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  </div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="preprocessor">#if __GNUC_PREREQ__(3, 4)</span></div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> <span class="preprocessor">#define __fastcall __attribute__((__fastcall__))</span></div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span> <span class="preprocessor">#define __result_use_check __attribute__((__warn_unused_result__))</span></div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00391"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a1d606e5c51fb29814027e012057397bc"> 391</a></span> <span class="preprocessor">#define __fastcall</span></div>
<div class="line"><a name="l00392"></a><span class="lineno"><a class="line" href="cdefs_8h.html#ab1802cf8bfc6aafff3a428139af536c8"> 392</a></span> <span class="preprocessor">#define __result_use_check</span></div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  </div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="preprocessor">#if __GNUC_PREREQ__(4, 1)</span></div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="preprocessor">#define __returns_twice __attribute__((__returns_twice__))</span></div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00398"></a><span class="lineno"><a class="line" href="cdefs_8h.html#aa80322503cac5d0f65d774417448974b"> 398</a></span> <span class="preprocessor">#define __returns_twice</span></div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  </div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="preprocessor">#if __GNUC_PREREQ__(4, 6) || __has_builtin(__builtin_unreachable)</span></div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> <span class="preprocessor">#define __unreachable() __builtin_unreachable()</span></div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00404"></a><span class="lineno"><a class="line" href="cdefs_8h.html#ad3aeb99284b4fa38c3e487dd83e174df"> 404</a></span> <span class="preprocessor">#define __unreachable() ((void)0)</span></div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  </div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span> <span class="comment">/* XXX: should use `#if __STDC_VERSION__ < 199901'. */</span></div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> <span class="preprocessor">#if !__GNUC_PREREQ__(2, 7) && !defined(__INTEL_COMPILER)</span></div>
<div class="line"><a name="l00409"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a7d6e1cf1a8d53f38471e9e9db3faf740"> 409</a></span> <span class="preprocessor">#define __func__ NULL</span></div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  </div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="preprocessor">#if (defined(__INTEL_COMPILER) || (defined(__GNUC__) && __GNUC__ >= 2)) && !defined(__STRICT_ANSI__) || __STDC_VERSION__ >= 199901</span></div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="preprocessor">#define __LONG_LONG_SUPPORTED</span></div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  </div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="comment">/* C++11 exposes a load of C99 stuff */</span></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="preprocessor">#if defined(__cplusplus) && __cplusplus >= 201103L</span></div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span> <span class="preprocessor">#define __LONG_LONG_SUPPORTED</span></div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> <span class="preprocessor">#ifndef __STDC_LIMIT_MACROS</span></div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="preprocessor">#define __STDC_LIMIT_MACROS</span></div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span> <span class="preprocessor">#ifndef __STDC_CONSTANT_MACROS</span></div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="preprocessor">#define __STDC_CONSTANT_MACROS</span></div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  </div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="comment"> * GCC 2.95 provides `__restrict' as an extension to C90 to support the</span></div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="comment"> * C99-specific `restrict' type qualifier. We happen to use `__restrict' as</span></div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="comment"> * a way to define the `restrict' type qualifier without disturbing older</span></div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="comment"> * software that is unaware of C99 keywords.</span></div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="preprocessor">#if !(__GNUC__ == 2 && __GNUC_MINOR__ == 95)</span></div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> <span class="preprocessor">#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901 || defined(lint)</span></div>
<div class="line"><a name="l00435"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a4127c12268159bf73f8e69b23c34c610"> 435</a></span> <span class="preprocessor">#define __restrict</span></div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span> <span class="preprocessor">#define __restrict restrict</span></div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  </div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span> <span class="comment"> * GNU C version 2.96 adds explicit branch prediction so that</span></div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span> <span class="comment"> * the CPU back-end can hint the processor and also so that</span></div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span> <span class="comment"> * code blocks can be reordered such that the predicted path</span></div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> <span class="comment"> * sees a more linear flow, thus improving cache behavior, etc.</span></div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="comment"> * The following two macros provide us with a way to utilize this</span></div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="comment"> * compiler feature. Use __predict_true() if you expect the expression</span></div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="comment"> * to evaluate to true, and __predict_false() if you expect the</span></div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> <span class="comment"> * expression to evaluate to false.</span></div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> <span class="comment"> * A few notes about usage:</span></div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span> <span class="comment"> * * Generally, __predict_false() error condition checks (unless</span></div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="comment"> * you have some _strong_ reason to do otherwise, in which case</span></div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="comment"> * document it), and/or __predict_true() `no-error' condition</span></div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="comment"> * checks, assuming you want to optimize for the no-error case.</span></div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <span class="comment"> * * Other than that, if you don't know the likelihood of a test</span></div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="comment"> * succeeding from empirical or other `hard' evidence, don't</span></div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="comment"> * make predictions.</span></div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span> <span class="comment"> * * These are meant to be used in places that are run `a lot'.</span></div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="comment"> * It is wasteful to make predictions in code that is run</span></div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> <span class="comment"> * seldomly (e.g. at subsystem initialization time) as the</span></div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="comment"> * basic block reordering that this affects can often generate</span></div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span> <span class="comment"> * larger code.</span></div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span> <span class="preprocessor">#if __GNUC_PREREQ__(2, 96)</span></div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span> <span class="preprocessor">#define __predict_true(exp) __builtin_expect((exp), 1)</span></div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span> <span class="preprocessor">#define __predict_false(exp) __builtin_expect((exp), 0)</span></div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00473"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a41fac8086b38eb6c411f4c52a7b15686"> 473</a></span> <span class="preprocessor">#define __predict_true(exp) (exp)</span></div>
<div class="line"><a name="l00474"></a><span class="lineno"><a class="line" href="cdefs_8h.html#ab76eac090ea0906633ed9e049e86571b"> 474</a></span> <span class="preprocessor">#define __predict_false(exp) (exp)</span></div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  </div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span> <span class="preprocessor">#if __GNUC_PREREQ__(4, 0)</span></div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span> <span class="preprocessor">#define __null_sentinel __attribute__((__sentinel__))</span></div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span> <span class="preprocessor">#define __exported __attribute__((__visibility__("default")))</span></div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span> <span class="preprocessor">#define __hidden __attribute__((__visibility__("hidden")))</span></div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00482"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a0d0c8540f3900ac312b7080f64d10792"> 482</a></span> <span class="preprocessor">#define __null_sentinel</span></div>
<div class="line"><a name="l00483"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a0e74de96a617c2ecd6f39d61a5e33c5c"> 483</a></span> <span class="preprocessor">#define __exported</span></div>
<div class="line"><a name="l00484"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a40f0fecd341aae3690f0dded986e423a"> 484</a></span> <span class="preprocessor">#define __hidden</span></div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  </div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="comment"> * We define this here since <stddef.h>, <sys/queue.h>, and <sys/types.h></span></div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <span class="comment"> * require it.</span></div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="preprocessor">#if __GNUC_PREREQ__(4, 1)</span></div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="preprocessor">#define __offsetof(type, field) __builtin_offsetof(type, field)</span></div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span> <span class="preprocessor">#ifndef __cplusplus</span></div>
<div class="line"><a name="l00495"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a1eb5255e1d14c0f5b812d26c0c38ef81"> 495</a></span> <span class="preprocessor">#define __offsetof(type, field) \</span></div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span> <span class="preprocessor"> ((__size_t)(__uintptr_t)((const volatile void *)&((type *)0)->field))</span></div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span> <span class="preprocessor">#define __offsetof(type, field) \</span></div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span> <span class="preprocessor"> (__offsetof__ (reinterpret_cast <__size_t> \</span></div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> <span class="preprocessor"> (&reinterpret_cast <const volatile char &> \</span></div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span> <span class="preprocessor"> (static_cast<type *> (0)->field))))</span></div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00504"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a1c95b887685e439498118acfab1413e0"> 504</a></span> <span class="preprocessor">#define __rangeof(type, start, end) \</span></div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span> <span class="preprocessor"> (__offsetof(type, end) - __offsetof(type, start))</span></div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  </div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span> <span class="comment"> * Given the pointer x to the member m of the struct s, return</span></div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span> <span class="comment"> * a pointer to the containing structure. When using GCC, we first</span></div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span> <span class="comment"> * assign pointer x to a local variable, to check that its type is</span></div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span> <span class="comment"> * compatible with member m.</span></div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span> <span class="preprocessor">#if __GNUC_PREREQ__(3, 1)</span></div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span> <span class="preprocessor">#define __containerof(x, s, m) ({ \</span></div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span> <span class="preprocessor"> const volatile __typeof(((s *)0)->m) *__x = (x); \</span></div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span> <span class="preprocessor"> __DEQUALIFY(s *, (const volatile char *)__x - __offsetof(s, m));\</span></div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span> <span class="preprocessor">})</span></div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00519"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a18c8113e8a7874a7f2718b2b46cf2c9f"> 519</a></span> <span class="preprocessor">#define __containerof(x, s, m) \</span></div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span> <span class="preprocessor"> __DEQUALIFY(s *, (const volatile char *)(x) - __offsetof(s, m))</span></div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  </div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span> <span class="comment"> * Compiler-dependent macros to declare that functions take printf-like</span></div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> <span class="comment"> * or scanf-like arguments. They are null except for versions of gcc</span></div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span> <span class="comment"> * that are known to support the features properly (old versions of gcc-2</span></div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span> <span class="comment"> * didn't permit keeping the keywords out of the application namespace).</span></div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span> <span class="preprocessor">#if !__GNUC_PREREQ__(2, 7) && !defined(__INTEL_COMPILER)</span></div>
<div class="line"><a name="l00530"></a><span class="lineno"><a class="line" href="cdefs_8h.html#ab302334d9a77a6925be4e5b45397e4a3"> 530</a></span> <span class="preprocessor">#define __printflike(fmtarg, firstvararg)</span></div>
<div class="line"><a name="l00531"></a><span class="lineno"><a class="line" href="cdefs_8h.html#ab15954bc9ecb87117067f953971c11b6"> 531</a></span> <span class="preprocessor">#define __scanflike(fmtarg, firstvararg)</span></div>
<div class="line"><a name="l00532"></a><span class="lineno"><a class="line" href="cdefs_8h.html#aac0ce201738032b598c201affa415ab4"> 532</a></span> <span class="preprocessor">#define __format_arg(fmtarg)</span></div>
<div class="line"><a name="l00533"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a1f4fbf1948f075d32a99c4cf9fb61efc"> 533</a></span> <span class="preprocessor">#define __strfmonlike(fmtarg, firstvararg)</span></div>
<div class="line"><a name="l00534"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a89fdb1ea46e9ab6df31e46c54c50ac60"> 534</a></span> <span class="preprocessor">#define __strftimelike(fmtarg, firstvararg)</span></div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span> <span class="preprocessor">#define __printflike(fmtarg, firstvararg) \</span></div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span> <span class="preprocessor"> __attribute__((__format__ (__printf__, fmtarg, firstvararg)))</span></div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span> <span class="preprocessor">#define __scanflike(fmtarg, firstvararg) \</span></div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span> <span class="preprocessor"> __attribute__((__format__ (__scanf__, fmtarg, firstvararg)))</span></div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span> <span class="preprocessor">#define __format_arg(fmtarg) __attribute__((__format_arg__ (fmtarg)))</span></div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span> <span class="preprocessor">#define __strfmonlike(fmtarg, firstvararg) \</span></div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span> <span class="preprocessor"> __attribute__((__format__ (__strfmon__, fmtarg, firstvararg)))</span></div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span> <span class="preprocessor">#define __strftimelike(fmtarg, firstvararg) \</span></div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span> <span class="preprocessor"> __attribute__((__format__ (__strftime__, fmtarg, firstvararg)))</span></div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  </div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span> <span class="comment">/* Compiler-dependent macros that rely on FreeBSD-specific extensions. */</span></div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span> <span class="preprocessor">#if defined(__FreeBSD_cc_version) && __FreeBSD_cc_version >= 300001 && \</span></div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span> <span class="preprocessor"> defined(__GNUC__) && !defined(__INTEL_COMPILER)</span></div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span> <span class="preprocessor">#define __printf0like(fmtarg, firstvararg) \</span></div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span> <span class="preprocessor"> __attribute__((__format__ (__printf0__, fmtarg, firstvararg)))</span></div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00553"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a605444695c5560c9337039ae99bb09ea"> 553</a></span> <span class="preprocessor">#define __printf0like(fmtarg, firstvararg)</span></div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  </div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span> <span class="preprocessor">#if defined(__GNUC__) || defined(__INTEL_COMPILER)</span></div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span> <span class="preprocessor">#ifndef __INTEL_COMPILER</span></div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span> <span class="preprocessor">#define __strong_reference(sym,aliassym) \</span></div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span> <span class="preprocessor"> extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym)))</span></div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span> <span class="preprocessor">#ifdef __STDC__</span></div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span> <span class="preprocessor">#define __weak_reference(sym,alias) \</span></div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span> <span class="preprocessor"> __asm__(".weak " #alias); \</span></div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span> <span class="preprocessor"> __asm__(".equ " #alias ", " #sym)</span></div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span> <span class="preprocessor">#define __warn_references(sym,msg) \</span></div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span> <span class="preprocessor"> __asm__(".section .gnu.warning." #sym); \</span></div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span> <span class="preprocessor"> __asm__(".asciz \"" msg "\""); \</span></div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span> <span class="preprocessor"> __asm__(".previous")</span></div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span> <span class="preprocessor">#define __sym_compat(sym,impl,verid) \</span></div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span> <span class="preprocessor"> __asm__(".symver " #impl ", " #sym "@" #verid)</span></div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span> <span class="preprocessor">#define __sym_default(sym,impl,verid) \</span></div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span> <span class="preprocessor"> __asm__(".symver " #impl ", " #sym "@@" #verid)</span></div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span> <span class="preprocessor">#define __weak_reference(sym,alias) \</span></div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span> <span class="preprocessor"> __asm__(".weak alias"); \</span></div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span> <span class="preprocessor"> __asm__(".equ alias, sym")</span></div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span> <span class="preprocessor">#define __warn_references(sym,msg) \</span></div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span> <span class="preprocessor"> __asm__(".section .gnu.warning.sym"); \</span></div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span> <span class="preprocessor"> __asm__(".asciz \"msg\""); \</span></div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span> <span class="preprocessor"> __asm__(".previous")</span></div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span> <span class="preprocessor">#define __sym_compat(sym,impl,verid) \</span></div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span> <span class="preprocessor"> __asm__(".symver impl, sym@verid")</span></div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span> <span class="preprocessor">#define __sym_default(impl,sym,verid) \</span></div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span> <span class="preprocessor"> __asm__(".symver impl, sym@@verid")</span></div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span> <span class="preprocessor">#endif </span><span class="comment">/* __STDC__ */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> <span class="preprocessor">#endif </span><span class="comment">/* __GNUC__ || __INTEL_COMPILER */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  </div>
<div class="line"><a name="l00588"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a19831242ccd7e7d0e450cdfe6e51174a"> 588</a></span> <span class="preprocessor">#define __GLOBL1(sym) __asm__(".globl " #sym)</span></div>
<div class="line"><a name="l00589"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a398ca8d9da9cff929a113400a8b36df3"> 589</a></span> <span class="preprocessor">#define __GLOBL(sym) __GLOBL1(sym)</span></div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  </div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span> <span class="preprocessor">#if defined(__GNUC__) || defined(__INTEL_COMPILER)</span></div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span> <span class="preprocessor">#define __IDSTRING(name,string) __asm__(".ident\t\"" string "\"")</span></div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span> <span class="comment"> * The following definition might not work well if used in header files,</span></div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span> <span class="comment"> * but it should be better than nothing. If you want a "do nothing"</span></div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span> <span class="comment"> * version, then it should generate some harmless declaration, such as:</span></div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span> <span class="comment"> * #define __IDSTRING(name,string) struct __hack</span></div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00600"></a><span class="lineno"><a class="line" href="cdefs_8h.html#aabb1ea4bbd4842fc14a16d8fb779ea4b"> 600</a></span> <span class="preprocessor">#define __IDSTRING(name,string) static const char name[] __unused = string</span></div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  </div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span> <span class="comment"> * Embed the rcs id of a source file in the resulting library. Note that in</span></div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span> <span class="comment"> * more recent ELF binutils, we use .ident allowing the ID to be stripped.</span></div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span> <span class="comment"> * Usage:</span></div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span> <span class="comment"> * __FBSDID("$FreeBSD: releng/11.1/sys/sys/cdefs.h 317342 2017-04-23 20:32:46Z kib $");</span></div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span> <span class="preprocessor">#ifndef __FBSDID</span></div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span> <span class="preprocessor">#if !defined(lint) && !defined(STRIP_FBSDID)</span></div>
<div class="line"><a name="l00611"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a4a7fd57c89fab1cb4992d93593ab60e6"> 611</a></span> <span class="preprocessor">#define __FBSDID(s) __IDSTRING(__CONCAT(__rcsid_,__LINE__),s)</span></div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span> <span class="preprocessor">#define __FBSDID(s) struct __hack</span></div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  </div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span> <span class="preprocessor">#ifndef __RCSID</span></div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span> <span class="preprocessor">#ifndef NO__RCSID</span></div>
<div class="line"><a name="l00619"></a><span class="lineno"><a class="line" href="cdefs_8h.html#ac827b66fd57da5cb648afe2d9836110c"> 619</a></span> <span class="preprocessor">#define __RCSID(s) __IDSTRING(__CONCAT(__rcsid_,__LINE__),s)</span></div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span> <span class="preprocessor">#define __RCSID(s) struct __hack</span></div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  </div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span> <span class="preprocessor">#ifndef __RCSID_SOURCE</span></div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span> <span class="preprocessor">#ifndef NO__RCSID_SOURCE</span></div>
<div class="line"><a name="l00627"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a891dbfcfdcce42ec7192e5ab3eb18b37"> 627</a></span> <span class="preprocessor">#define __RCSID_SOURCE(s) __IDSTRING(__CONCAT(__rcsid_source_,__LINE__),s)</span></div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span> <span class="preprocessor">#define __RCSID_SOURCE(s) struct __hack</span></div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  </div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span> <span class="preprocessor">#ifndef __SCCSID</span></div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span> <span class="preprocessor">#ifndef NO__SCCSID</span></div>
<div class="line"><a name="l00635"></a><span class="lineno"><a class="line" href="cdefs_8h.html#aadfa77c21cca8c4643503eb23704a02e"> 635</a></span> <span class="preprocessor">#define __SCCSID(s) __IDSTRING(__CONCAT(__sccsid_,__LINE__),s)</span></div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span> <span class="preprocessor">#define __SCCSID(s) struct __hack</span></div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  </div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span> <span class="preprocessor">#ifndef __COPYRIGHT</span></div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span> <span class="preprocessor">#ifndef NO__COPYRIGHT</span></div>
<div class="line"><a name="l00643"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a0848f8698d26c3c3bec1bf7901e0c767"> 643</a></span> <span class="preprocessor">#define __COPYRIGHT(s) __IDSTRING(__CONCAT(__copyright_,__LINE__),s)</span></div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span> <span class="preprocessor">#define __COPYRIGHT(s) struct __hack</span></div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  </div>
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span> <span class="preprocessor">#ifndef __DECONST</span></div>
<div class="line"><a name="l00650"></a><span class="lineno"><a class="line" href="cdefs_8h.html#ae32bd6d8d48504cd0425f6872aa525f1"> 650</a></span> <span class="preprocessor">#define __DECONST(type, var) ((type)(__uintptr_t)(const void *)(var))</span></div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  </div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span> <span class="preprocessor">#ifndef __DEVOLATILE</span></div>
<div class="line"><a name="l00654"></a><span class="lineno"><a class="line" href="cdefs_8h.html#aae7ccc939ba250815398d6333f28fc91"> 654</a></span> <span class="preprocessor">#define __DEVOLATILE(type, var) ((type)(__uintptr_t)(volatile void *)(var))</span></div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  </div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span> <span class="preprocessor">#ifndef __DEQUALIFY</span></div>
<div class="line"><a name="l00658"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a0c76efdd134700aee3eb002cf4c0a674"> 658</a></span> <span class="preprocessor">#define __DEQUALIFY(type, var) ((type)(__uintptr_t)(const volatile void *)(var))</span></div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  </div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span> <span class="comment">/*-</span></div>
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span> <span class="comment"> * The following definitions are an extension of the behavior originally</span></div>
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span> <span class="comment"> * implemented in <sys/_posix.h>, but with a different level of granularity.</span></div>
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span> <span class="comment"> * POSIX.1 requires that the macros we test be defined before any standard</span></div>
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span> <span class="comment"> * header file is included.</span></div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span> <span class="comment"> * Here's a quick run-down of the versions:</span></div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span> <span class="comment"> * defined(_POSIX_SOURCE) 1003.1-1988</span></div>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span> <span class="comment"> * _POSIX_C_SOURCE == 1 1003.1-1990</span></div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span> <span class="comment"> * _POSIX_C_SOURCE == 2 1003.2-1992 C Language Binding Option</span></div>
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span> <span class="comment"> * _POSIX_C_SOURCE == 199309 1003.1b-1993</span></div>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span> <span class="comment"> * _POSIX_C_SOURCE == 199506 1003.1c-1995, 1003.1i-1995,</span></div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span> <span class="comment"> * and the omnibus ISO/IEC 9945-1: 1996</span></div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span> <span class="comment"> * _POSIX_C_SOURCE == 200112 1003.1-2001</span></div>
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span> <span class="comment"> * _POSIX_C_SOURCE == 200809 1003.1-2008</span></div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span> <span class="comment"> * In addition, the X/Open Portability Guide, which is now the Single UNIX</span></div>
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span> <span class="comment"> * Specification, defines a feature-test macro which indicates the version of</span></div>
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span> <span class="comment"> * that specification, and which subsumes _POSIX_C_SOURCE.</span></div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span> <span class="comment"> * Our macros begin with two underscores to avoid namespace screwage.</span></div>
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  </div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span> <span class="comment">/* Deal with IEEE Std. 1003.1-1990, in which _POSIX_C_SOURCE == 1. */</span></div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span> <span class="preprocessor">#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 1</span></div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span> <span class="preprocessor">#undef _POSIX_C_SOURCE </span><span class="comment">/* Probably illegal, but beyond caring now. */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span> <span class="preprocessor">#define _POSIX_C_SOURCE 199009</span></div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  </div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span> <span class="comment">/* Deal with IEEE Std. 1003.2-1992, in which _POSIX_C_SOURCE == 2. */</span></div>
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span> <span class="preprocessor">#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 2</span></div>
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span> <span class="preprocessor">#undef _POSIX_C_SOURCE</span></div>
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span> <span class="preprocessor">#define _POSIX_C_SOURCE 199209</span></div>
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  </div>
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span> <span class="comment">/* Deal with various X/Open Portability Guides and Single UNIX Spec. */</span></div>
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span> <span class="preprocessor">#ifdef _XOPEN_SOURCE</span></div>
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span> <span class="preprocessor">#if _XOPEN_SOURCE - 0 >= 700</span></div>
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span> <span class="preprocessor">#define __XSI_VISIBLE 700</span></div>
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span> <span class="preprocessor">#undef _POSIX_C_SOURCE</span></div>
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span> <span class="preprocessor">#define _POSIX_C_SOURCE 200809</span></div>
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span> <span class="preprocessor">#elif _XOPEN_SOURCE - 0 >= 600</span></div>
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span> <span class="preprocessor">#define __XSI_VISIBLE 600</span></div>
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span> <span class="preprocessor">#undef _POSIX_C_SOURCE</span></div>
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span> <span class="preprocessor">#define _POSIX_C_SOURCE 200112</span></div>
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span> <span class="preprocessor">#elif _XOPEN_SOURCE - 0 >= 500</span></div>
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span> <span class="preprocessor">#define __XSI_VISIBLE 500</span></div>
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span> <span class="preprocessor">#undef _POSIX_C_SOURCE</span></div>
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span> <span class="preprocessor">#define _POSIX_C_SOURCE 199506</span></div>
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  </div>
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span> <span class="comment"> * Deal with all versions of POSIX. The ordering relative to the tests above is</span></div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span> <span class="comment"> * important.</span></div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span> <span class="preprocessor">#if defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE)</span></div>
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span> <span class="preprocessor">#define _POSIX_C_SOURCE 198808</span></div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span> <span class="preprocessor">#ifdef _POSIX_C_SOURCE</span></div>
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span> <span class="preprocessor">#if _POSIX_C_SOURCE >= 200809</span></div>
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span> <span class="preprocessor">#define __POSIX_VISIBLE 200809</span></div>
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span> <span class="preprocessor">#define __ISO_C_VISIBLE 1999</span></div>
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span> <span class="preprocessor">#elif _POSIX_C_SOURCE >= 200112</span></div>
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span> <span class="preprocessor">#define __POSIX_VISIBLE 200112</span></div>
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span> <span class="preprocessor">#define __ISO_C_VISIBLE 1999</span></div>
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span> <span class="preprocessor">#elif _POSIX_C_SOURCE >= 199506</span></div>
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span> <span class="preprocessor">#define __POSIX_VISIBLE 199506</span></div>
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span> <span class="preprocessor">#define __ISO_C_VISIBLE 1990</span></div>
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span> <span class="preprocessor">#elif _POSIX_C_SOURCE >= 199309</span></div>
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span> <span class="preprocessor">#define __POSIX_VISIBLE 199309</span></div>
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span> <span class="preprocessor">#define __ISO_C_VISIBLE 1990</span></div>
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span> <span class="preprocessor">#elif _POSIX_C_SOURCE >= 199209</span></div>
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span> <span class="preprocessor">#define __POSIX_VISIBLE 199209</span></div>
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span> <span class="preprocessor">#define __ISO_C_VISIBLE 1990</span></div>
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span> <span class="preprocessor">#elif _POSIX_C_SOURCE >= 199009</span></div>
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span> <span class="preprocessor">#define __POSIX_VISIBLE 199009</span></div>
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span> <span class="preprocessor">#define __ISO_C_VISIBLE 1990</span></div>
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span> <span class="preprocessor">#define __POSIX_VISIBLE 198808</span></div>
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span> <span class="preprocessor">#define __ISO_C_VISIBLE 0</span></div>
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span> <span class="preprocessor">#endif </span><span class="comment">/* _POSIX_C_SOURCE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span> <span class="comment">/*-</span></div>
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span> <span class="comment"> * Deal with _ANSI_SOURCE:</span></div>
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span> <span class="comment"> * If it is defined, and no other compilation environment is explicitly</span></div>
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span> <span class="comment"> * requested, then define our internal feature-test macros to zero. This</span></div>
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span> <span class="comment"> * makes no difference to the preprocessor (undefined symbols in preprocessing</span></div>
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span> <span class="comment"> * expressions are defined to have value zero), but makes it more convenient for</span></div>
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span> <span class="comment"> * a test program to print out the values.</span></div>
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span> <span class="comment"> * If a program mistakenly defines _ANSI_SOURCE and some other macro such as</span></div>
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span> <span class="comment"> * _POSIX_C_SOURCE, we will assume that it wants the broader compilation</span></div>
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span> <span class="comment"> * environment (and in fact we will never get here).</span></div>
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span> <span class="preprocessor">#if defined(_ANSI_SOURCE) </span><span class="comment">/* Hide almost everything. */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span> <span class="preprocessor">#define __POSIX_VISIBLE 0</span></div>
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span> <span class="preprocessor">#define __XSI_VISIBLE 0</span></div>
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span> <span class="preprocessor">#define __BSD_VISIBLE 0</span></div>
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span> <span class="preprocessor">#define __ISO_C_VISIBLE 1990</span></div>
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span> <span class="preprocessor">#define __EXT1_VISIBLE 0</span></div>
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span> <span class="preprocessor">#elif defined(_C99_SOURCE) </span><span class="comment">/* Localism to specify strict C99 env. */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span> <span class="preprocessor">#define __POSIX_VISIBLE 0</span></div>
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span> <span class="preprocessor">#define __XSI_VISIBLE 0</span></div>
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span> <span class="preprocessor">#define __BSD_VISIBLE 0</span></div>
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span> <span class="preprocessor">#define __ISO_C_VISIBLE 1999</span></div>
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span> <span class="preprocessor">#define __EXT1_VISIBLE 0</span></div>
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span> <span class="preprocessor">#elif defined(_C11_SOURCE) </span><span class="comment">/* Localism to specify strict C11 env. */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span> <span class="preprocessor">#define __POSIX_VISIBLE 0</span></div>
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span> <span class="preprocessor">#define __XSI_VISIBLE 0</span></div>
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span> <span class="preprocessor">#define __BSD_VISIBLE 0</span></div>
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span> <span class="preprocessor">#define __ISO_C_VISIBLE 2011</span></div>
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span> <span class="preprocessor">#define __EXT1_VISIBLE 0</span></div>
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span> <span class="preprocessor">#else </span><span class="comment">/* Default environment: show everything. */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00775"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a0dcbabe4c86c7ecf1eca8302395b3981"> 775</a></span> <span class="preprocessor">#define __POSIX_VISIBLE 200809</span></div>
<div class="line"><a name="l00776"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a64ec29bac42ca62a14648cb542ce8094"> 776</a></span> <span class="preprocessor">#define __XSI_VISIBLE 700</span></div>
<div class="line"><a name="l00777"></a><span class="lineno"><a class="line" href="cdefs_8h.html#aa00daaab11d6072cf978ba8268041ed6"> 777</a></span> <span class="preprocessor">#define __BSD_VISIBLE 1</span></div>
<div class="line"><a name="l00778"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a75b6c21a0dc63c1478003a9999e5bd0e"> 778</a></span> <span class="preprocessor">#define __ISO_C_VISIBLE 2011</span></div>
<div class="line"><a name="l00779"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a885e102b7d83b8b972737f9335810046"> 779</a></span> <span class="preprocessor">#define __EXT1_VISIBLE 1</span></div>
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  </div>
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span> <span class="comment">/* User override __EXT1_VISIBLE */</span></div>
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span> <span class="preprocessor">#if defined(__STDC_WANT_LIB_EXT1__)</span></div>
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span> <span class="preprocessor">#undef __EXT1_VISIBLE</span></div>
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span> <span class="preprocessor">#if __STDC_WANT_LIB_EXT1__</span></div>
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span> <span class="preprocessor">#define __EXT1_VISIBLE 1</span></div>
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span> <span class="preprocessor">#define __EXT1_VISIBLE 0</span></div>
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span> <span class="preprocessor">#endif </span><span class="comment">/* __STDC_WANT_LIB_EXT1__ */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  </div>
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span> <span class="preprocessor">#if defined(__mips) || defined(__powerpc64__) || defined(__riscv__)</span></div>
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span> <span class="preprocessor">#define __NO_TLS 1</span></div>
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  </div>
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span> <span class="comment"> * Old versions of GCC use non-standard ARM arch symbols; acle-compat.h</span></div>
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span> <span class="comment"> * translates them to __ARM_ARCH and the modern feature symbols defined by ARM.</span></div>
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span> <span class="preprocessor">#if defined(__arm__) && !defined(__ARM_ARCH)</span></div>
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span> <span class="preprocessor">#include <machine/acle-compat.h></span></div>
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  </div>
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span> <span class="comment"> * Nullability qualifiers: currently only supported by Clang.</span></div>
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span> <span class="preprocessor">#if !(defined(__clang__) && __has_feature(nullability))</span></div>
<div class="line"><a name="l00809"></a><span class="lineno"><a class="line" href="cdefs_8h.html#adf63c0be9c8be44ddb81199ca68caf66"> 809</a></span> <span class="preprocessor">#define _Nonnull</span></div>
<div class="line"><a name="l00810"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a69f810caaafcb9fc3e535656d1ecd179"> 810</a></span> <span class="preprocessor">#define _Nullable</span></div>
<div class="line"><a name="l00811"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a4500f2129ca921fe93e9c530aafc3293"> 811</a></span> <span class="preprocessor">#define _Null_unspecified</span></div>
<div class="line"><a name="l00812"></a><span class="lineno"><a class="line" href="cdefs_8h.html#ac0a895d54451947ee56780d433959eae"> 812</a></span> <span class="preprocessor">#define __NULLABILITY_PRAGMA_PUSH</span></div>
<div class="line"><a name="l00813"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a65215937142629a994e339f3edfe1c95"> 813</a></span> <span class="preprocessor">#define __NULLABILITY_PRAGMA_POP</span></div>
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span> <span class="preprocessor">#define __NULLABILITY_PRAGMA_PUSH _Pragma("clang diagnostic push") \</span></div>
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span> <span class="preprocessor"> _Pragma("clang diagnostic ignored \"-Wnullability-completeness\"")</span></div>
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span> <span class="preprocessor">#define __NULLABILITY_PRAGMA_POP _Pragma("clang diagnostic pop")</span></div>
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  </div>
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span> <span class="comment"> * Type Safety Checking</span></div>
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span> <span class="comment"> * Clang provides additional attributes to enable checking type safety</span></div>
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span> <span class="comment"> * properties that cannot be enforced by the C type system. </span></div>
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  </div>
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span> <span class="preprocessor">#if __has_attribute(__argument_with_type_tag__) && \</span></div>
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span> <span class="preprocessor"> __has_attribute(__type_tag_for_datatype__) && !defined(lint)</span></div>
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span> <span class="preprocessor">#define __arg_type_tag(arg_kind, arg_idx, type_tag_idx) \</span></div>
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span> <span class="preprocessor"> __attribute__((__argument_with_type_tag__(arg_kind, arg_idx, type_tag_idx)))</span></div>
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span> <span class="preprocessor">#define __datatype_type_tag(kind, type) \</span></div>
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span> <span class="preprocessor"> __attribute__((__type_tag_for_datatype__(kind, type)))</span></div>
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00834"></a><span class="lineno"><a class="line" href="cdefs_8h.html#aa2b040851c447d8d78a7d28d38d7b18b"> 834</a></span> <span class="preprocessor">#define __arg_type_tag(arg_kind, arg_idx, type_tag_idx)</span></div>
<div class="line"><a name="l00835"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a58f14a1ccfec3cc2a903bcc1a693a802"> 835</a></span> <span class="preprocessor">#define __datatype_type_tag(kind, type)</span></div>
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  </div>
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span> <span class="comment"> * Lock annotations.</span></div>
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span> <span class="comment"> * Clang provides support for doing basic thread-safety tests at</span></div>
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span> <span class="comment"> * compile-time, by marking which locks will/should be held when</span></div>
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span> <span class="comment"> * entering/leaving a functions.</span></div>
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span> <span class="comment"> * Furthermore, it is also possible to annotate variables and structure</span></div>
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span> <span class="comment"> * members to enforce that they are only accessed when certain locks are</span></div>
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span> <span class="comment"> * held.</span></div>
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  </div>
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span> <span class="preprocessor">#if __has_extension(c_thread_safety_attributes)</span></div>
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span> <span class="preprocessor">#define __lock_annotate(x) __attribute__((x))</span></div>
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00853"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a45a3ce99b80325d4258963b15d72034d"> 853</a></span> <span class="preprocessor">#define __lock_annotate(x)</span></div>
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  </div>
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span> <span class="comment">/* Structure implements a lock. */</span></div>
<div class="line"><a name="l00857"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a932b1344a82ee140b3731ae7ba4232de"> 857</a></span> <span class="preprocessor">#define __lockable __lock_annotate(lockable)</span></div>
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  </div>
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span> <span class="comment">/* Function acquires an exclusive or shared lock. */</span></div>
<div class="line"><a name="l00860"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a792da136d5c94294aeeb345e71dc2b56"> 860</a></span> <span class="preprocessor">#define __locks_exclusive(...) \</span></div>
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span> <span class="preprocessor"> __lock_annotate(exclusive_lock_function(__VA_ARGS__))</span></div>
<div class="line"><a name="l00862"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a3e454cfb94b579fd02176242e8f4b11b"> 862</a></span> <span class="preprocessor">#define __locks_shared(...) \</span></div>
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span> <span class="preprocessor"> __lock_annotate(shared_lock_function(__VA_ARGS__))</span></div>
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  </div>
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span> <span class="comment">/* Function attempts to acquire an exclusive or shared lock. */</span></div>
<div class="line"><a name="l00866"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a9237eecd523e8f1df898fe438ac7576f"> 866</a></span> <span class="preprocessor">#define __trylocks_exclusive(...) \</span></div>
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span> <span class="preprocessor"> __lock_annotate(exclusive_trylock_function(__VA_ARGS__))</span></div>
<div class="line"><a name="l00868"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a24edd6b1c3870a174e2b3e57ab1be29b"> 868</a></span> <span class="preprocessor">#define __trylocks_shared(...) \</span></div>
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span> <span class="preprocessor"> __lock_annotate(shared_trylock_function(__VA_ARGS__))</span></div>
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  </div>
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span> <span class="comment">/* Function releases a lock. */</span></div>
<div class="line"><a name="l00872"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a855ee52754c8e676bc796ac9172d4169"> 872</a></span> <span class="preprocessor">#define __unlocks(...) __lock_annotate(unlock_function(__VA_ARGS__))</span></div>
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  </div>
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span> <span class="comment">/* Function asserts that an exclusive or shared lock is held. */</span></div>
<div class="line"><a name="l00875"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a0a553c54444eef5e65cf1169100e76fa"> 875</a></span> <span class="preprocessor">#define __asserts_exclusive(...) \</span></div>
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span> <span class="preprocessor"> __lock_annotate(assert_exclusive_lock(__VA_ARGS__))</span></div>
<div class="line"><a name="l00877"></a><span class="lineno"><a class="line" href="cdefs_8h.html#abf8d4e228b100d8470f07bc6ece978ab"> 877</a></span> <span class="preprocessor">#define __asserts_shared(...) \</span></div>
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span> <span class="preprocessor"> __lock_annotate(assert_shared_lock(__VA_ARGS__))</span></div>
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  </div>
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span> <span class="comment">/* Function requires that an exclusive or shared lock is or is not held. */</span></div>
<div class="line"><a name="l00881"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a42d1b66b8e796b8c0bce8faa20f92ce4"> 881</a></span> <span class="preprocessor">#define __requires_exclusive(...) \</span></div>
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span> <span class="preprocessor"> __lock_annotate(exclusive_locks_required(__VA_ARGS__))</span></div>
<div class="line"><a name="l00883"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a93a60420949c1cf0885849720a4e9fdf"> 883</a></span> <span class="preprocessor">#define __requires_shared(...) \</span></div>
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span> <span class="preprocessor"> __lock_annotate(shared_locks_required(__VA_ARGS__))</span></div>
<div class="line"><a name="l00885"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a8512b5a02e4d31fee6f44bcb2ffd409f"> 885</a></span> <span class="preprocessor">#define __requires_unlocked(...) \</span></div>
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span> <span class="preprocessor"> __lock_annotate(locks_excluded(__VA_ARGS__))</span></div>
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  </div>
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span> <span class="comment">/* Function should not be analyzed. */</span></div>
<div class="line"><a name="l00889"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a76756b4907cb284f9c2ebce12828ca95"> 889</a></span> <span class="preprocessor">#define __no_lock_analysis __lock_annotate(no_thread_safety_analysis)</span></div>
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  </div>
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span> <span class="comment">/* Guard variables and structure members by lock. */</span></div>
<div class="line"><a name="l00892"></a><span class="lineno"><a class="line" href="cdefs_8h.html#aea9deeb933ce53e7ea573e4234ba5d20"> 892</a></span> <span class="preprocessor">#define __guarded_by(x) __lock_annotate(guarded_by(x))</span></div>
<div class="line"><a name="l00893"></a><span class="lineno"><a class="line" href="cdefs_8h.html#a661bb2320927b900990688cc42130afb"> 893</a></span> <span class="preprocessor">#define __pt_guarded_by(x) __lock_annotate(pt_guarded_by(x))</span></div>
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  </div>
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span> <span class="preprocessor">#endif </span><span class="comment">/* !_SYS_CDEFS_H_ */</span><span class="preprocessor"></span></div>
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