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<div class="title">sockets.h</div> </div>
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<a href="../../d4/dd3/sockets_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>  </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (c) 2001-2004 Swedish Institute of Computer Science.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without modification,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * are permitted provided that the following conditions are met:</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * 1. Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * this list of conditions and the following disclaimer in the documentation</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * 3. The name of the author may not be used to endorse or promote products</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * derived from this software without specific prior written permission.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * OF 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"> * This file is part of the lwIP TCP/IP stack.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * Author: Adam Dunkels <adam@sics.se></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</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="preprocessor">#ifndef LWIP_HDR_SOCKETS_H</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#define LWIP_HDR_SOCKETS_H</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <<a class="code" href="../../dc/dba/opt_8h.html">net/opt.h</a>></span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#if LWIP_SOCKET </span><span class="comment">/* don't build if not configured for use in lwipopts.h */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include <<a class="code" href="../../de/df7/ip__addr_8h.html">net/ip_addr.h</a>></span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include <<a class="code" href="../../d6/d40/err_8h.html">net/err.h</a>></span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include <<a class="code" href="../../d6/d4a/inet_8h.html">net/inet.h</a>></span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include <<a class="code" href="../../d6/dfa/net_2errno_8h.html">net/errno.h</a>></span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</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>  </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">/* If your port already typedef's sa_family_t, define SA_FAMILY_T_DEFINED</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> to prevent this code from redefining it. */</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#if !defined(sa_family_t) && !defined(SA_FAMILY_T_DEFINED)</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">typedef</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> sa_family_t;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment">/* If your port already typedef's in_port_t, define IN_PORT_T_DEFINED</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> to prevent this code from redefining it. */</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#if !defined(in_port_t) && !defined(IN_PORT_T_DEFINED)</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">typedef</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> in_port_t;</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="preprocessor">#if LWIP_IPV4</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment">/* members are in network byte order */</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">struct </span>sockaddr_in {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> sin_len;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  sa_family_t sin_family;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  in_port_t sin_port;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">struct </span><a class="code" href="../../da/d7e/structin__addr.html">in_addr</a> sin_addr;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#define SIN_ZERO_LEN 8</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">char</span> sin_zero[SIN_ZERO_LEN];</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> };</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#if LWIP_IPV6</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">struct </span>sockaddr_in6 {</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> sin6_len; <span class="comment">/* length of this structure */</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  sa_family_t sin6_family; <span class="comment">/* AF_INET6 */</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  in_port_t sin6_port; <span class="comment">/* Transport layer port # */</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> sin6_flowinfo; <span class="comment">/* IPv6 flow information */</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">struct </span><a class="code" href="../../d4/d7d/structin6__addr.html">in6_addr</a> sin6_addr; <span class="comment">/* IPv6 address */</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> sin6_scope_id; <span class="comment">/* Set of interfaces for scope */</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> };</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="keyword">struct </span>sockaddr {</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> sa_len;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  sa_family_t sa_family;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">char</span> sa_data[14];</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>  </div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">struct </span>sockaddr_storage {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> s2_len;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  sa_family_t ss_family;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">char</span> s2_data1[2];</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> s2_data2[3];</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor">#if LWIP_IPV6</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> s2_data3[3];</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></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>  </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment">/* If your port already typedef's socklen_t, define SOCKLEN_T_DEFINED</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> to prevent this code from redefining it. */</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor">#if !defined(socklen_t) && !defined(SOCKLEN_T_DEFINED)</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keyword">typedef</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> socklen_t;</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="keyword">struct </span>lwip_sock;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  </div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor">#if !LWIP_TCPIP_CORE_LOCKING</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor">#define LWIP_SETGETSOCKOPT_MAXOPTLEN 16</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="keyword">struct </span>lwip_setgetsockopt_data {</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordtype">int</span> s;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">int</span> level;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">int</span> optname;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor">#if LWIP_MPU_COMPATIBLE</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> optval[LWIP_SETGETSOCKOPT_MAXOPTLEN];</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">union </span>{</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">void</span> *p;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">const</span> <span class="keywordtype">void</span> *pc;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  } optval;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  socklen_t optlen;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">void</span>* completed_sem;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> };</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="preprocessor">#endif </span><span class="comment">/* !LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor">#if !defined(iovec)</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="keyword">struct </span>iovec {</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordtype">void</span> *iov_base;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordtype">size_t</span> iov_len;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> };</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  </div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">struct </span>msghdr {</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordtype">void</span> *msg_name;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  socklen_t msg_namelen;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keyword">struct </span>iovec *msg_iov;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">int</span> msg_iovlen;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordtype">void</span> *msg_control;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  socklen_t msg_controllen;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">int</span> msg_flags;</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>  </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment">/* Socket protocol types (TCP/UDP/RAW) */</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="preprocessor">#define SOCK_STREAM 1</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="preprocessor">#define SOCK_DGRAM 2</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="preprocessor">#define SOCK_RAW 3</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment"> * Option flags per-socket. These must match the SOF_ flags in ip.h (checked in init.c)</span></div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="preprocessor">#define SO_REUSEADDR 0x0004 </span><span class="comment">/* Allow local address reuse */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="preprocessor">#define SO_KEEPALIVE 0x0008 </span><span class="comment">/* keep connections alive */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="preprocessor">#define SO_BROADCAST 0x0020 </span><span class="comment">/* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  </div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  </div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"> * Additional options, not kept in so_options.</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="preprocessor">#define SO_DEBUG 0x0001 </span><span class="comment">/* Unimplemented: turn on debugging info recording */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="preprocessor">#define SO_ACCEPTCONN 0x0002 </span><span class="comment">/* socket has had listen() */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="preprocessor">#define SO_DONTROUTE 0x0010 </span><span class="comment">/* Unimplemented: just use interface addresses */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="preprocessor">#define SO_USELOOPBACK 0x0040 </span><span class="comment">/* Unimplemented: bypass hardware when possible */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="preprocessor">#define SO_LINGER 0x0080 </span><span class="comment">/* linger on close if data present */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor">#define SO_DONTLINGER ((int)(~SO_LINGER))</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="preprocessor">#define SO_OOBINLINE 0x0100 </span><span class="comment">/* Unimplemented: leave received OOB data in line */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="preprocessor">#define SO_REUSEPORT 0x0200 </span><span class="comment">/* Unimplemented: allow local address & port reuse */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor">#define SO_SNDBUF 0x1001 </span><span class="comment">/* Unimplemented: send buffer size */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor">#define SO_RCVBUF 0x1002 </span><span class="comment">/* receive buffer size */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor">#define SO_SNDLOWAT 0x1003 </span><span class="comment">/* Unimplemented: send low-water mark */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor">#define SO_RCVLOWAT 0x1004 </span><span class="comment">/* Unimplemented: receive low-water mark */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="preprocessor">#define SO_SNDTIMEO 0x1005 </span><span class="comment">/* send timeout */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="preprocessor">#define SO_RCVTIMEO 0x1006 </span><span class="comment">/* receive timeout */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="preprocessor">#define SO_ERROR 0x1007 </span><span class="comment">/* get error status and clear */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="preprocessor">#define SO_TYPE 0x1008 </span><span class="comment">/* get socket type */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="preprocessor">#define SO_CONTIMEO 0x1009 </span><span class="comment">/* Unimplemented: connect timeout */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="preprocessor">#define SO_NO_CHECK 0x100a </span><span class="comment">/* don't create UDP checksum */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  </div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment"> * Structure used for manipulating linger option.</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="keyword">struct </span>linger {</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordtype">int</span> l_onoff; <span class="comment">/* option on/off */</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordtype">int</span> l_linger; <span class="comment">/* linger time in seconds */</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> };</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  </div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment"> * Level number for (get/set)sockopt() to apply to socket itself.</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="preprocessor">#define SOL_SOCKET 0xfff </span><span class="comment">/* options for socket level */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  </div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  </div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="preprocessor">#define AF_UNSPEC 0</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="preprocessor">#define AF_INET 2</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="preprocessor">#if LWIP_IPV6</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="preprocessor">#define AF_INET6 10</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor">#define AF_INET6 AF_UNSPEC</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="preprocessor">#define PF_INET AF_INET</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="preprocessor">#define PF_INET6 AF_INET6</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="preprocessor">#define PF_UNSPEC AF_UNSPEC</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  </div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="preprocessor">#define IPPROTO_IP 0</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="preprocessor">#define IPPROTO_ICMP 1</span></div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="preprocessor">#define IPPROTO_TCP 6</span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="preprocessor">#define IPPROTO_UDP 17</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="preprocessor">#if LWIP_IPV6</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="preprocessor">#define IPPROTO_IPV6 41</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="preprocessor">#define IPPROTO_ICMPV6 58</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="preprocessor">#define IPPROTO_UDPLITE 136</span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="preprocessor">#define IPPROTO_RAW 255</span></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  </div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="comment">/* Flags we can use with send and recv. */</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="preprocessor">#define MSG_PEEK 0x01 </span><span class="comment">/* Peeks at an incoming message */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="preprocessor">#define MSG_WAITALL 0x02 </span><span class="comment">/* Unimplemented: Requests that the function block until the full amount of data requested can be returned */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="preprocessor">#define MSG_OOB 0x04 </span><span class="comment">/* Unimplemented: Requests out-of-band data. The significance and semantics of out-of-band data are protocol-specific */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="preprocessor">#define MSG_DONTWAIT 0x08 </span><span class="comment">/* Nonblocking i/o for this operation only */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="preprocessor">#define MSG_MORE 0x10 </span><span class="comment">/* Sender will send more */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  </div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  </div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment"> * Options for level IPPROTO_IP</span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="preprocessor">#define IP_TOS 1</span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="preprocessor">#define IP_TTL 2</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  </div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> * Options for level IPPROTO_TCP</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="preprocessor">#define TCP_NODELAY 0x01 </span><span class="comment">/* don't delay send to coalesce packets */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="preprocessor">#define TCP_KEEPALIVE 0x02 </span><span class="comment">/* send KEEPALIVE probes when idle for pcb->keep_idle milliseconds */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="preprocessor">#define TCP_KEEPIDLE 0x03 </span><span class="comment">/* set pcb->keep_idle - Same as TCP_KEEPALIVE, but use seconds for get/setsockopt */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="preprocessor">#define TCP_KEEPINTVL 0x04 </span><span class="comment">/* set pcb->keep_intvl - Use seconds for get/setsockopt */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="preprocessor">#define TCP_KEEPCNT 0x05 </span><span class="comment">/* set pcb->keep_cnt - Use number of probes sent for get/setsockopt */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  </div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="preprocessor">#if LWIP_IPV6</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="comment"> * Options for level IPPROTO_IPV6</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="preprocessor">#define IPV6_CHECKSUM 7 </span><span class="comment">/* RFC3542: calculate and insert the ICMPv6 checksum for raw sockets. */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="preprocessor">#define IPV6_V6ONLY 27 </span><span class="comment">/* RFC3493: boolean control to restrict AF_INET6 sockets to IPv6 communications only. */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  </div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="preprocessor">#if LWIP_UDP && LWIP_UDPLITE</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="comment"> * Options for level IPPROTO_UDPLITE</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="preprocessor">#define UDPLITE_SEND_CSCOV 0x01 </span><span class="comment">/* sender checksum coverage */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor">#define UDPLITE_RECV_CSCOV 0x02 </span><span class="comment">/* minimal receiver checksum coverage */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDP && LWIP_UDPLITE*/</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  </div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  </div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="preprocessor">#if LWIP_MULTICAST_TX_OPTIONS</span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment"> * Options and types for UDP multicast traffic handling</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="preprocessor">#define IP_MULTICAST_TTL 5</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="preprocessor">#define IP_MULTICAST_IF 6</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="preprocessor">#define IP_MULTICAST_LOOP 7</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_MULTICAST_TX_OPTIONS */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  </div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="preprocessor">#if LWIP_IGMP</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="comment"> * Options and types related to multicast membership</span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="preprocessor">#define IP_ADD_MEMBERSHIP 3</span></div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="preprocessor">#define IP_DROP_MEMBERSHIP 4</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  </div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>ip_mreq {</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keyword">struct </span><a class="code" href="../../da/d7e/structin__addr.html">in_addr</a> imr_multiaddr; <span class="comment">/* IP multicast address of group */</span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keyword">struct </span><a class="code" href="../../da/d7e/structin__addr.html">in_addr</a> imr_interface; <span class="comment">/* local IP address of interface */</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> } ip_mreq;</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IGMP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  </div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="comment"> * The Type of Service provides an indication of the abstract</span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment"> * parameters of the quality of service desired. These parameters are</span></div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment"> * to be used to guide the selection of the actual service parameters</span></div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="comment"> * when transmitting a datagram through a particular network. Several</span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="comment"> * networks offer service precedence, which somehow treats high</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="comment"> * precedence traffic as more important than other traffic (generally</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="comment"> * by accepting only traffic above a certain precedence at time of high</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="comment"> * load). The major choice is a three way tradeoff between low-delay,</span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="comment"> * high-reliability, and high-throughput.</span></div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="comment"> * The use of the Delay, Throughput, and Reliability indications may</span></div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="comment"> * increase the cost (in some sense) of the service. In many networks</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="comment"> * better performance for one of these parameters is coupled with worse</span></div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="comment"> * performance on another. Except for very unusual cases at most two</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"> * of these three indications should be set.</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="preprocessor">#define IPTOS_TOS_MASK 0x1E</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="preprocessor">#define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK)</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="preprocessor">#define IPTOS_LOWDELAY 0x10</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="preprocessor">#define IPTOS_THROUGHPUT 0x08</span></div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="preprocessor">#define IPTOS_RELIABILITY 0x04</span></div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="preprocessor">#define IPTOS_LOWCOST 0x02</span></div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="preprocessor">#define IPTOS_MINCOST IPTOS_LOWCOST</span></div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  </div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="comment"> * The Network Control precedence designation is intended to be used</span></div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="comment"> * within a network only. The actual use and control of that</span></div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="comment"> * designation is up to each network. The Internetwork Control</span></div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="comment"> * designation is intended for use by gateway control originators only.</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="comment"> * If the actual use of these precedence designations is of concern to</span></div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="comment"> * a particular network, it is the responsibility of that network to</span></div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment"> * control the access to, and use of, those precedence designations.</span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="preprocessor">#define IPTOS_PREC_MASK 0xe0</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="preprocessor">#define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK)</span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="preprocessor">#define IPTOS_PREC_NETCONTROL 0xe0</span></div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="preprocessor">#define IPTOS_PREC_INTERNETCONTROL 0xc0</span></div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="preprocessor">#define IPTOS_PREC_CRITIC_ECP 0xa0</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="preprocessor">#define IPTOS_PREC_FLASHOVERRIDE 0x80</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="preprocessor">#define IPTOS_PREC_FLASH 0x60</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="preprocessor">#define IPTOS_PREC_IMMEDIATE 0x40</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="preprocessor">#define IPTOS_PREC_PRIORITY 0x20</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="preprocessor">#define IPTOS_PREC_ROUTINE 0x00</span></div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  </div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  </div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment"> * Commands for ioctlsocket(), taken from the BSD file fcntl.h.</span></div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment"> * lwip_ioctl only supports FIONREAD and FIONBIO, for now</span></div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="comment"> * Ioctl's have the command encoded in the lower word,</span></div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="comment"> * and the size of any in or out parameters in the upper</span></div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="comment"> * word. The high 2 bits of the upper word are used</span></div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="comment"> * to encode the in/out status of the parameter; for now</span></div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="comment"> * we restrict parameters to at most 128 bytes.</span></div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="preprocessor">#if !defined(FIONREAD) || !defined(FIONBIO)</span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="preprocessor">#define IOCPARM_MASK 0x7fU </span><span class="comment">/* parameters must be < 128 bytes */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="preprocessor">#define IOC_VOID 0x20000000UL </span><span class="comment">/* no parameters */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="preprocessor">#define IOC_OUT 0x40000000UL </span><span class="comment">/* copy out parameters */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="preprocessor">#define IOC_IN 0x80000000UL </span><span class="comment">/* copy in parameters */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="preprocessor">#define IOC_INOUT (IOC_IN|IOC_OUT)</span></div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="comment">/* 0x20000000 distinguishes new &</span></div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="comment"> old ioctl's */</span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="preprocessor">#define _IO(x,y) (IOC_VOID|((x)<<8)|(y))</span></div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  </div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="preprocessor">#define _IOR(x,y,t) (IOC_OUT|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))</span></div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  </div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="preprocessor">#define _IOW(x,y,t) (IOC_IN|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))</span></div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="preprocessor">#endif </span><span class="comment">/* !defined(FIONREAD) || !defined(FIONBIO) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  </div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="preprocessor">#ifndef FIONREAD</span></div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="preprocessor">#define FIONREAD _IOR('f', 127, unsigned long) </span><span class="comment">/* get # bytes to read */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="preprocessor">#ifndef FIONBIO</span></div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="preprocessor">#define FIONBIO _IOW('f', 126, unsigned long) </span><span class="comment">/* set/clear non-blocking i/o */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  </div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="comment">/* Socket I/O Controls: unimplemented */</span></div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="preprocessor">#ifndef SIOCSHIWAT</span></div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="preprocessor">#define SIOCSHIWAT _IOW('s', 0, unsigned long) </span><span class="comment">/* set high watermark */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="preprocessor">#define SIOCGHIWAT _IOR('s', 1, unsigned long) </span><span class="comment">/* get high watermark */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="preprocessor">#define SIOCSLOWAT _IOW('s', 2, unsigned long) </span><span class="comment">/* set low watermark */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="preprocessor">#define SIOCGLOWAT _IOR('s', 3, unsigned long) </span><span class="comment">/* get low watermark */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="preprocessor">#define SIOCATMARK _IOR('s', 7, unsigned long) </span><span class="comment">/* at oob mark? */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  </div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="comment">/* commands for fnctl */</span></div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="preprocessor">#ifndef F_GETFL</span></div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> <span class="preprocessor">#define F_GETFL 3</span></div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> <span class="preprocessor">#ifndef F_SETFL</span></div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span> <span class="preprocessor">#define F_SETFL 4</span></div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  </div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="comment">/* File status flags and file access modes for fnctl,</span></div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> <span class="comment"> these are bits in an int. */</span></div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span> <span class="preprocessor">#ifndef O_NONBLOCK</span></div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="preprocessor">#define O_NONBLOCK 1 </span><span class="comment">/* nonblocking I/O */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> <span class="preprocessor">#ifndef O_NDELAY</span></div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> <span class="preprocessor">#define O_NDELAY 1 </span><span class="comment">/* same as O_NONBLOCK, for compatibility */</span><span class="preprocessor"></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">#ifndef SHUT_RD</span></div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> <span class="preprocessor"> #define SHUT_RD 0</span></div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> <span class="preprocessor"> #define SHUT_WR 1</span></div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> <span class="preprocessor"> #define SHUT_RDWR 2</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">/* FD_SET used for lwip_select */</span></div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> <span class="preprocessor">#ifndef FD_SET</span></div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="preprocessor">#undef FD_SETSIZE</span></div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="comment">/* Make FD_SETSIZE match NUM_SOCKETS in socket.c */</span></div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="preprocessor">#define FD_SETSIZE MEMP_NUM_NETCONN</span></div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="preprocessor">#define FDSETSAFESET(n, code) do { \</span></div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="preprocessor"> if (((n) - LWIP_SOCKET_OFFSET < MEMP_NUM_NETCONN) && (((int)(n) - LWIP_SOCKET_OFFSET) >= 0)) { \</span></div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="preprocessor"> code; }} while(0)</span></div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span> <span class="preprocessor">#define FDSETSAFEGET(n, code) (((n) - LWIP_SOCKET_OFFSET < MEMP_NUM_NETCONN) && (((int)(n) - LWIP_SOCKET_OFFSET) >= 0) ?\</span></div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="preprocessor"> (code) : 0)</span></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="preprocessor">#define FD_SET(n, p) FDSETSAFESET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] |= (1 << (((n)-LWIP_SOCKET_OFFSET) & 7)))</span></div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span> <span class="preprocessor">#define FD_CLR(n, p) FDSETSAFESET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] &= ~(1 << (((n)-LWIP_SOCKET_OFFSET) & 7)))</span></div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> <span class="preprocessor">#define FD_ISSET(n,p) FDSETSAFEGET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] & (1 << (((n)-LWIP_SOCKET_OFFSET) & 7)))</span></div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="preprocessor">#define FD_ZERO(p) memset((void*)(p), 0, sizeof(*(p)))</span></div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  </div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="../../d5/d99/structfd__set.html">fd_set</a></div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> {</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> fd_bits [(<a class="code" href="../../d9/dab/select_8h.html#a86c5dbf5a99358e288f573d6a1e0873f">FD_SETSIZE</a>+7)/8];</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span> } <a class="code" href="../../d9/dab/select_8h.html#af0ed703bf1724b9af3e4d30d0cc932af">fd_set</a>;</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="preprocessor">#elif LWIP_SOCKET_OFFSET</span></div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="preprocessor">#error LWIP_SOCKET_OFFSET does not work with external FD_SET!</span></div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="preprocessor">#elif FD_SETSIZE < MEMP_NUM_NETCONN</span></div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="preprocessor">#error "external FD_SETSIZE too small for number of sockets"</span></div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="preprocessor">#endif </span><span class="comment">/* FD_SET */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  </div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> <span class="preprocessor">#ifndef LWIP_TIMEVAL_PRIVATE</span></div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="preprocessor">#define LWIP_TIMEVAL_PRIVATE 1</span></div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  </div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="preprocessor">#if LWIP_TIMEVAL_PRIVATE</span></div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="keyword">struct </span><a class="code" href="../../d1/d1b/structtimeval.html">timeval</a> {</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordtype">long</span> <a class="code" href="../../d1/d1b/structtimeval.html#aef6ddab1064c430758f9f913b7e4a21e">tv_sec</a>; <span class="comment">/* seconds */</span></div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keywordtype">long</span> <a class="code" href="../../d1/d1b/structtimeval.html#a810bf8fcd58e255a5c1896d19538b86a">tv_usec</a>; <span class="comment">/* and microseconds */</span></div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span> };</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TIMEVAL_PRIVATE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  </div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="preprocessor">#define lwip_socket_init() </span><span class="comment">/* Compatibility define, no init needed. */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="keywordtype">void</span> lwip_socket_thread_init(<span class="keywordtype">void</span>); <span class="comment">/* LWIP_NETCONN_SEM_PER_THREAD==1: initialize thread-local semaphore */</span></div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="keywordtype">void</span> lwip_socket_thread_cleanup(<span class="keywordtype">void</span>); <span class="comment">/* LWIP_NETCONN_SEM_PER_THREAD==1: destroy thread-local semaphore */</span></div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  </div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> <span class="preprocessor">#if LWIP_COMPAT_SOCKETS == 2</span></div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="comment">/* This helps code parsers/code completion by not having the COMPAT functions as defines */</span></div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> <span class="preprocessor">#define lwip_accept accept</span></div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="preprocessor">#define lwip_bind bind</span></div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span> <span class="preprocessor">#define lwip_shutdown shutdown</span></div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="preprocessor">#define lwip_getpeername getpeername</span></div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="preprocessor">#define lwip_getsockname getsockname</span></div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="preprocessor">#define lwip_setsockopt setsockopt</span></div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="preprocessor">#define lwip_getsockopt getsockopt</span></div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <span class="preprocessor">#define lwip_close closesocket</span></div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="preprocessor">#define lwip_connect connect</span></div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="preprocessor">#define lwip_listen listen</span></div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="preprocessor">#define lwip_recv recv</span></div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span> <span class="preprocessor">#define lwip_recvfrom recvfrom</span></div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="preprocessor">#define lwip_send send</span></div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> <span class="preprocessor">#define lwip_sendmsg sendmsg</span></div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="preprocessor">#define lwip_sendto sendto</span></div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span> <span class="preprocessor">#define lwip_socket socket</span></div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span> <span class="preprocessor">#define lwip_select select</span></div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span> <span class="preprocessor">#define lwip_ioctlsocket ioctl</span></div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  </div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span> <span class="preprocessor">#if LWIP_POSIX_SOCKETS_IO_NAMES</span></div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span> <span class="preprocessor">#define lwip_read read</span></div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span> <span class="preprocessor">#define lwip_write write</span></div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span> <span class="preprocessor">#define lwip_writev writev</span></div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="preprocessor">#undef lwip_close</span></div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span> <span class="preprocessor">#define lwip_close close</span></div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span> <span class="preprocessor">#define closesocket(s) close(s)</span></div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span> <span class="preprocessor">#define lwip_fcntl fcntl</span></div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span> <span class="preprocessor">#define lwip_ioctl ioctl</span></div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_POSIX_SOCKETS_IO_NAMES */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_COMPAT_SOCKETS == 2 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  </div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span> <span class="keywordtype">int</span> lwip_accept(<span class="keywordtype">int</span> s, <span class="keyword">struct</span> sockaddr *addr, socklen_t *addrlen);</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span> <span class="keywordtype">int</span> lwip_bind(<span class="keywordtype">int</span> s, <span class="keyword">const</span> <span class="keyword">struct</span> sockaddr *<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, socklen_t namelen);</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span> <span class="keywordtype">int</span> lwip_shutdown(<span class="keywordtype">int</span> s, <span class="keywordtype">int</span> how);</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span> <span class="keywordtype">int</span> lwip_getpeername (<span class="keywordtype">int</span> s, <span class="keyword">struct</span> sockaddr *<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, socklen_t *namelen);</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span> <span class="keywordtype">int</span> lwip_getsockname (<span class="keywordtype">int</span> s, <span class="keyword">struct</span> sockaddr *<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, socklen_t *namelen);</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="keywordtype">int</span> lwip_getsockopt (<span class="keywordtype">int</span> s, <span class="keywordtype">int</span> level, <span class="keywordtype">int</span> optname, <span class="keywordtype">void</span> *optval, socklen_t *optlen);</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <span class="keywordtype">int</span> lwip_setsockopt (<span class="keywordtype">int</span> s, <span class="keywordtype">int</span> level, <span class="keywordtype">int</span> optname, <span class="keyword">const</span> <span class="keywordtype">void</span> *optval, socklen_t optlen);</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="keywordtype">int</span> lwip_close(<span class="keywordtype">int</span> s);</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="keywordtype">int</span> lwip_connect(<span class="keywordtype">int</span> s, <span class="keyword">const</span> <span class="keyword">struct</span> sockaddr *<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, socklen_t namelen);</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="keywordtype">int</span> lwip_listen(<span class="keywordtype">int</span> s, <span class="keywordtype">int</span> backlog);</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="keywordtype">int</span> lwip_recv(<span class="keywordtype">int</span> s, <span class="keywordtype">void</span> *<a class="code" href="../../d0/d0f/structmem.html">mem</a>, <span class="keywordtype">size_t</span> len, <span class="keywordtype">int</span> flags);</div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span> <span class="keywordtype">int</span> lwip_read(<span class="keywordtype">int</span> s, <span class="keywordtype">void</span> *<a class="code" href="../../d0/d0f/structmem.html">mem</a>, <span class="keywordtype">size_t</span> len);</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span> <span class="keywordtype">int</span> lwip_recvfrom(<span class="keywordtype">int</span> s, <span class="keywordtype">void</span> *<a class="code" href="../../d0/d0f/structmem.html">mem</a>, <span class="keywordtype">size_t</span> len, <span class="keywordtype">int</span> flags,</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keyword">struct</span> sockaddr *from, socklen_t *fromlen);</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span> <span class="keywordtype">int</span> lwip_send(<span class="keywordtype">int</span> s, <span class="keyword">const</span> <span class="keywordtype">void</span> *dataptr, <span class="keywordtype">size_t</span> size, <span class="keywordtype">int</span> flags);</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span> <span class="keywordtype">int</span> lwip_sendmsg(<span class="keywordtype">int</span> s, <span class="keyword">const</span> <span class="keyword">struct</span> msghdr *message, <span class="keywordtype">int</span> flags);</div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span> <span class="keywordtype">int</span> lwip_sendto(<span class="keywordtype">int</span> s, <span class="keyword">const</span> <span class="keywordtype">void</span> *dataptr, <span class="keywordtype">size_t</span> size, <span class="keywordtype">int</span> flags,</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keyword">const</span> <span class="keyword">struct</span> sockaddr *to, socklen_t tolen);</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span> <span class="keywordtype">int</span> lwip_socket(<span class="keywordtype">int</span> domain, <span class="keywordtype">int</span> type, <span class="keywordtype">int</span> protocol);</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span> <span class="keywordtype">int</span> lwip_write(<span class="keywordtype">int</span> s, <span class="keyword">const</span> <span class="keywordtype">void</span> *dataptr, <span class="keywordtype">size_t</span> size);</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span> <span class="keywordtype">int</span> lwip_writev(<span class="keywordtype">int</span> s, <span class="keyword">const</span> <span class="keyword">struct</span> iovec *iov, <span class="keywordtype">int</span> iovcnt);</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> <span class="keywordtype">int</span> lwip_select(<span class="keywordtype">int</span> maxfdp1, <a class="code" href="../../d5/d99/structfd__set.html">fd_set</a> *readset, <a class="code" href="../../d5/d99/structfd__set.html">fd_set</a> *writeset, <a class="code" href="../../d5/d99/structfd__set.html">fd_set</a> *exceptset, <span class="keyword">struct</span> <a class="code" href="../../d1/d1b/structtimeval.html">timeval</a> *timeout);</div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span> <span class="keywordtype">int</span> lwip_ioctl(<span class="keywordtype">int</span> s, <span class="keywordtype">long</span> cmd, <span class="keywordtype">void</span> *argp);</div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span> <span class="keywordtype">int</span> lwip_fcntl(<span class="keywordtype">int</span> s, <span class="keywordtype">int</span> cmd, <span class="keywordtype">int</span> val);</div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  </div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span> <span class="preprocessor">#if LWIP_COMPAT_SOCKETS</span></div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span> <span class="preprocessor">#if LWIP_COMPAT_SOCKETS != 2</span></div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  </div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span> <span class="preprocessor">#define accept(s,addr,addrlen) lwip_accept(s,addr,addrlen)</span></div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  </div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span> <span class="preprocessor">#define bind(s,name,namelen) lwip_bind(s,name,namelen)</span></div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  </div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span> <span class="preprocessor">#define shutdown(s,how) lwip_shutdown(s,how)</span></div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  </div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span> <span class="preprocessor">#define getpeername(s,name,namelen) lwip_getpeername(s,name,namelen)</span></div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  </div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span> <span class="preprocessor">#define getsockname(s,name,namelen) lwip_getsockname(s,name,namelen)</span></div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  </div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span> <span class="preprocessor">#define setsockopt(s,level,optname,opval,optlen) lwip_setsockopt(s,level,optname,opval,optlen)</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="preprocessor">#define getsockopt(s,level,optname,opval,optlen) lwip_getsockopt(s,level,optname,opval,optlen)</span></div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  </div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> <span class="preprocessor">#define closesocket(s) lwip_close(s)</span></div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  </div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span> <span class="preprocessor">#define connect(s,name,namelen) lwip_connect(s,name,namelen)</span></div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  </div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span> <span class="preprocessor">#define listen(s,backlog) lwip_listen(s,backlog)</span></div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  </div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span> <span class="preprocessor">#define recv(s,mem,len,flags) lwip_recv(s,mem,len,flags)</span></div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  </div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span> <span class="preprocessor">#define recvfrom(s,mem,len,flags,from,fromlen) lwip_recvfrom(s,mem,len,flags,from,fromlen)</span></div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  </div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span> <span class="preprocessor">#define send(s,dataptr,size,flags) lwip_send(s,dataptr,size,flags)</span></div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  </div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span> <span class="preprocessor">#define sendmsg(s,message,flags) lwip_sendmsg(s,message,flags)</span></div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  </div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span> <span class="preprocessor">#define sendto(s,dataptr,size,flags,to,tolen) lwip_sendto(s,dataptr,size,flags,to,tolen)</span></div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  </div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span> <span class="preprocessor">#define socket(domain,type,protocol) lwip_socket(domain,type,protocol)</span></div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  </div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span> <span class="preprocessor">#define select(maxfdp1,readset,writeset,exceptset,timeout) lwip_select(maxfdp1,readset,writeset,exceptset,timeout)</span></div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  </div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span> <span class="preprocessor">#define ioctlsocket(s,cmd,argp) lwip_ioctl(s,cmd,argp)</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="preprocessor">#if LWIP_POSIX_SOCKETS_IO_NAMES</span></div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  </div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span> <span class="preprocessor">#define read(s,mem,len) lwip_read(s,mem,len)</span></div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  </div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span> <span class="preprocessor">#define write(s,dataptr,len) lwip_write(s,dataptr,len)</span></div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  </div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span> <span class="preprocessor">#define writev(s,iov,iovcnt) lwip_writev(s,iov,iovcnt)</span></div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  </div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span> <span class="preprocessor">#define close(s) lwip_close(s)</span></div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  </div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span> <span class="preprocessor">#define fcntl(s,cmd,val) lwip_fcntl(s,cmd,val)</span></div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  </div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span> <span class="preprocessor">#define ioctl(s,cmd,argp) lwip_ioctl(s,cmd,argp)</span></div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_POSIX_SOCKETS_IO_NAMES */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_COMPAT_SOCKETS != 2 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  </div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span> <span class="preprocessor">#if LWIP_IPV4 && LWIP_IPV6</span></div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  </div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span> <span class="preprocessor">#define inet_ntop(af,src,dst,size) \</span></div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span> <span class="preprocessor"> (((af) == AF_INET6) ? ip6addr_ntoa_r((const ip6_addr_t*)(src),(dst),(size)) \</span></div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span> <span class="preprocessor"> : (((af) == AF_INET) ? ip4addr_ntoa_r((const ip4_addr_t*)(src),(dst),(size)) : NULL))</span></div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  </div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span> <span class="preprocessor">#define inet_pton(af,src,dst) \</span></div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span> <span class="preprocessor"> (((af) == AF_INET6) ? ip6addr_aton((src),(ip6_addr_t*)(dst)) \</span></div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span> <span class="preprocessor"> : (((af) == AF_INET) ? ip4addr_aton((src),(ip4_addr_t*)(dst)) : 0))</span></div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span> <span class="preprocessor">#elif LWIP_IPV4 </span><span class="comment">/* LWIP_IPV4 && LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span> <span class="preprocessor">#define inet_ntop(af,src,dst,size) \</span></div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span> <span class="preprocessor"> (((af) == AF_INET) ? ip4addr_ntoa_r((const ip4_addr_t*)(src),(dst),(size)) : NULL)</span></div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span> <span class="preprocessor">#define inet_pton(af,src,dst) \</span></div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span> <span class="preprocessor"> (((af) == AF_INET) ? ip4addr_aton((src),(ip4_addr_t*)(dst)) : 0)</span></div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_IPV4 && LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span> <span class="preprocessor">#define inet_ntop(af,src,dst,size) \</span></div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span> <span class="preprocessor"> (((af) == AF_INET6) ? ip6addr_ntoa_r((const ip6_addr_t*)(src),(dst),(size)) : NULL)</span></div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span> <span class="preprocessor">#define inet_pton(af,src,dst) \</span></div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span> <span class="preprocessor"> (((af) == AF_INET6) ? ip6addr_aton((src),(ip6_addr_t*)(dst)) : 0)</span></div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 && LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  </div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_COMPAT_SOCKETS */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  </div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> <span class="preprocessor">#ifdef __cplusplus</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"> 588</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  </div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SOCKET */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  </div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_HDR_SOCKETS_H */</span><span class="preprocessor"></span></div>
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