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 <span id="projectnumber">2.0</span>
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<div class="title">api.h</div> </div>
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<a href="api_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> <span class="preprocessor">#ifndef LWIP_HDR_API_H</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#define LWIP_HDR_API_H</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include "<a class="code" href="opt_8h.html">net/opt.h</a>"</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">#if LWIP_NETCONN || 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="l00043"></a><span class="lineno"> 43</span> <span class="comment">/* Note: Netconn API is always available when sockets are enabled -</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * sockets are implemented on top of them */</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="arch_8h.html">net/arch.h</a>"</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include "<a class="code" href="netbuf_8h.html">net/netbuf.h</a>"</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include "<a class="code" href="sys_8h.html">net/sys.h</a>"</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include "<a class="code" href="ip__addr_8h.html">net/ip_addr.h</a>"</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include "<a class="code" href="err_8h.html">net/err.h</a>"</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">/* Throughout this file, IP addresses and port numbers are expected to be in</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> * the same byte order as in the corresponding pcb.</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment">/* Flags for netconn_write (u8_t) */</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#define NETCONN_NOFLAG 0x00</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#define NETCONN_NOCOPY 0x00 </span><span class="comment">/* Only for source code compatibility */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#define NETCONN_COPY 0x01</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#define NETCONN_MORE 0x02</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#define NETCONN_DONTBLOCK 0x04</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment">/* Flags for struct netconn.flags (u8_t) */</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#define NETCONN_FLAG_NON_BLOCKING 0x02</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#define NETCONN_FLAG_IN_NONBLOCKING_CONNECT 0x04</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#define NETCONN_FLAG_CHECK_WRITESPACE 0x10</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#if LWIP_IPV6</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#define NETCONN_FLAG_IPV6_V6ONLY 0x20</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment">/* Helpers to process several netconn_types by the same code */</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#define NETCONNTYPE_GROUP(t) ((t)&0xF0)</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">#define NETCONNTYPE_DATAGRAM(t) ((t)&0xE0)</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#if LWIP_IPV6</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">#define NETCONN_TYPE_IPV6 0x08</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#define NETCONNTYPE_ISIPV6(t) (((t)&NETCONN_TYPE_IPV6) != 0)</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">#define NETCONNTYPE_ISUDPLITE(t) (((t)&0xF3) == NETCONN_UDPLITE)</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor">#define NETCONNTYPE_ISUDPNOCHKSUM(t) (((t)&0xF3) == NETCONN_UDPNOCHKSUM)</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="preprocessor">#define NETCONNTYPE_ISIPV6(t) (0)</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor">#define NETCONNTYPE_ISUDPLITE(t) ((t) == NETCONN_UDPLITE)</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#define NETCONNTYPE_ISUDPNOCHKSUM(t) ((t) == NETCONN_UDPNOCHKSUM)</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="keyword">enum</span> netconn_type {</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  NETCONN_INVALID = 0,</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  NETCONN_TCP = 0x10,</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor">#if LWIP_IPV6</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  NETCONN_TCP_IPV6 = NETCONN_TCP | NETCONN_TYPE_IPV6 <span class="comment">/* 0x18 */</span>,</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  NETCONN_UDP = 0x20,</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  NETCONN_UDPLITE = 0x21,</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  NETCONN_UDPNOCHKSUM = 0x22,</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">#if LWIP_IPV6</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  </div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  NETCONN_UDP_IPV6 = NETCONN_UDP | NETCONN_TYPE_IPV6 <span class="comment">/* 0x28 */</span>,</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  NETCONN_UDPLITE_IPV6 = NETCONN_UDPLITE | NETCONN_TYPE_IPV6 <span class="comment">/* 0x29 */</span>,</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  NETCONN_UDPNOCHKSUM_IPV6 = NETCONN_UDPNOCHKSUM | NETCONN_TYPE_IPV6 <span class="comment">/* 0x2a */</span>,</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  NETCONN_RAW = 0x40</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor">#if LWIP_IPV6</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>  , NETCONN_RAW_IPV6 = NETCONN_RAW | NETCONN_TYPE_IPV6 <span class="comment">/* 0x48 */</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> };</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="keyword">enum</span> netconn_state {</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  NETCONN_NONE,</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  NETCONN_WRITE,</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  NETCONN_LISTEN,</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  NETCONN_CONNECT,</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  NETCONN_CLOSE</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> };</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  </div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="keyword">enum</span> netconn_evt {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  NETCONN_EVT_RCVPLUS,</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  NETCONN_EVT_RCVMINUS,</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  NETCONN_EVT_SENDPLUS,</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  NETCONN_EVT_SENDMINUS,</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  NETCONN_EVT_ERROR</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>  </div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="preprocessor">#if LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD)</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="keyword">enum</span> netconn_igmp {</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  NETCONN_JOIN,</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  NETCONN_LEAVE</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> };</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  </div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="preprocessor">#if LWIP_DNS</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment">/* Used for netconn_gethostbyname_addrtype(), these should match the DNS_ADDRTYPE defines in dns.h */</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor">#define NETCONN_DNS_DEFAULT NETCONN_DNS_IPV4_IPV6</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor">#define NETCONN_DNS_IPV4 0</span></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor">#define NETCONN_DNS_IPV6 1</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor">#define NETCONN_DNS_IPV4_IPV6 2 </span><span class="comment">/* try to resolve IPv4 first, try IPv6 if IPv4 fails only */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="preprocessor">#define NETCONN_DNS_IPV6_IPV4 3 </span><span class="comment">/* try to resolve IPv6 first, try IPv4 if IPv6 fails only */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_DNS */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment">/* forward-declare some structs to avoid to include their headers */</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="keyword">struct </span><a class="code" href="structip__pcb.html">ip_pcb</a>;</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="keyword">struct </span>tcp_pcb;</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="keyword">struct </span>udp_pcb;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="keyword">struct </span>raw_pcb;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="keyword">struct </span>netconn;</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="keyword">struct </span>api_msg;</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  </div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="keyword">typedef</span> void (* netconn_callback)(<span class="keyword">struct </span>netconn *, <span class="keyword">enum</span> netconn_evt, <a class="code" href="group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> len);</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  </div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="keyword">struct </span>netconn {</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keyword">enum</span> netconn_type type;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keyword">enum</span> netconn_state state;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keyword">union </span>{</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keyword">struct </span><a class="code" href="structip__pcb.html">ip_pcb</a> *ip;</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">struct </span>tcp_pcb *tcp;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keyword">struct </span>udp_pcb *udp;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">struct </span>raw_pcb *raw;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  } pcb;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> last_err;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="preprocessor">#if !LWIP_NETCONN_SEM_PER_THREAD</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  </div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="code" href="structsys__sem.html">sys_sem_t</a> op_completed;</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  </div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <a class="code" href="structsys__mbox.html">sys_mbox_t</a> recvmbox;</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  </div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <a class="code" href="structsys__mbox.html">sys_mbox_t</a> acceptmbox;</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  </div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="preprocessor">#if LWIP_SOCKET</span></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordtype">int</span> socket;</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SOCKET */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="preprocessor">#if LWIP_SO_SNDTIMEO</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  </div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <a class="code" href="group__compiler__abstraction.html#ga10f9a3d7baef58ccc23228c3bd29c1fb">s32_t</a> send_timeout;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVTIMEO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="preprocessor">#if LWIP_SO_RCVTIMEO</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  </div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordtype">int</span> recv_timeout;</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVTIMEO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="preprocessor">#if LWIP_SO_RCVBUF</span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  </div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordtype">int</span> recv_bufsize;</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordtype">int</span> recv_avail;</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="preprocessor">#if LWIP_SO_LINGER</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>  <a class="code" href="group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a> linger;</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_LINGER */</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>  <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> flags;</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  </div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordtype">size_t</span> write_offset;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keyword">struct </span>api_msg *current_msg;</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  </div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  netconn_callback callback;</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>  </div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="preprocessor">#define API_EVENT(c,e,l) if (c->callback) { \</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="preprocessor"> (*c->callback)(c, e, l); \</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="preprocessor"> }</span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  </div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="preprocessor">#define NETCONN_SET_SAFE_ERR(conn, err) do { if ((conn) != NULL) { \</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="preprocessor"> SYS_ARCH_DECL_PROTECT(netconn_set_safe_err_lev); \</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="preprocessor"> SYS_ARCH_PROTECT(netconn_set_safe_err_lev); \</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="preprocessor"> if (!ERR_IS_FATAL((conn)->last_err)) { \</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="preprocessor"> (conn)->last_err = err; \</span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="preprocessor"> SYS_ARCH_UNPROTECT(netconn_set_safe_err_lev); \</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="preprocessor">}} while(0);</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  </div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment">/* Network connection functions: */</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  </div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="preprocessor">#define netconn_new(t) netconn_new_with_proto_and_callback(t, 0, NULL)</span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="preprocessor">#define netconn_new_with_callback(t, c) netconn_new_with_proto_and_callback(t, 0, c)</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="keyword">struct </span>netconn *netconn_new_with_proto_and_callback(<span class="keyword">enum</span> netconn_type t, <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> proto,</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  netconn_callback callback);</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_delete(<span class="keyword">struct</span> netconn *conn);</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="preprocessor">#define netconn_type(conn) (conn->type)</span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  </div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_getaddr(<span class="keyword">struct</span> netconn *conn, <a class="code" href="ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *addr,</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <a class="code" href="group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> *port, <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> local);</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="preprocessor">#define netconn_peer(c,i,p) netconn_getaddr(c,i,p,0)</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  </div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="preprocessor">#define netconn_addr(c,i,p) netconn_getaddr(c,i,p,1)</span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  </div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_bind(<span class="keyword">struct</span> netconn *conn, <span class="keyword">const</span> <a class="code" href="ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *addr, <a class="code" href="group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> port);</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_connect(<span class="keyword">struct</span> netconn *conn, <span class="keyword">const</span> <a class="code" href="ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *addr, <a class="code" href="group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> port);</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_disconnect (<span class="keyword">struct</span> netconn *conn);</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_listen_with_backlog(<span class="keyword">struct</span> netconn *conn, <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> backlog);</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="preprocessor">#define netconn_listen(conn) netconn_listen_with_backlog(conn, TCP_DEFAULT_LISTEN_BACKLOG)</span></div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_accept(<span class="keyword">struct</span> netconn *conn, <span class="keyword">struct</span> netconn **new_conn);</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_recv(<span class="keyword">struct</span> netconn *conn, <span class="keyword">struct</span> netbuf **new_buf);</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_recv_tcp_pbuf(<span class="keyword">struct</span> netconn *conn, <span class="keyword">struct</span> <a class="code" href="structpbuf.html">pbuf</a> **new_buf);</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_sendto(<span class="keyword">struct</span> netconn *conn, <span class="keyword">struct</span> netbuf *<a class="code" href="structbuf.html">buf</a>,</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keyword">const</span> <a class="code" href="ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *addr, <a class="code" href="group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> port);</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_send(<span class="keyword">struct</span> netconn *conn, <span class="keyword">struct</span> netbuf *<a class="code" href="structbuf.html">buf</a>);</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_write_partly(<span class="keyword">struct</span> netconn *conn, <span class="keyword">const</span> <span class="keywordtype">void</span> *dataptr, <span class="keywordtype">size_t</span> size,</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> apiflags, <span class="keywordtype">size_t</span> *bytes_written);</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="preprocessor">#define netconn_write(conn, dataptr, size, apiflags) \</span></div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="preprocessor"> netconn_write_partly(conn, dataptr, size, apiflags, NULL)</span></div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_close(<span class="keyword">struct</span> netconn *conn);</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_shutdown(<span class="keyword">struct</span> netconn *conn, <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> shut_rx, <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> shut_tx);</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  </div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="preprocessor">#if LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD)</span></div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_join_leave_group(<span class="keyword">struct</span> netconn *conn, <span class="keyword">const</span> <a class="code" href="ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *multiaddr,</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keyword">const</span> <a class="code" href="ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *netif_addr, <span class="keyword">enum</span> netconn_igmp join_or_leave);</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="preprocessor">#if LWIP_DNS</span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="preprocessor">#if LWIP_IPV4 && LWIP_IPV6</span></div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_gethostbyname_addrtype(<span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, <a class="code" href="ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *addr, <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> dns_addrtype);</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="preprocessor">#define netconn_gethostbyname(name, addr) netconn_gethostbyname_addrtype(name, addr, NETCONN_DNS_DEFAULT)</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_IPV4 && LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> netconn_gethostbyname(<span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, <a class="code" href="ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *addr);</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="preprocessor">#define netconn_gethostbyname_addrtype(name, addr, dns_addrtype) netconn_gethostbyname(name, addr)</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 && LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_DNS */</span><span class="preprocessor"></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> <span class="preprocessor">#define netconn_err(conn) ((conn)->last_err)</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="preprocessor">#define netconn_recv_bufsize(conn) ((conn)->recv_bufsize)</span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  </div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="preprocessor">#define netconn_set_nonblocking(conn, val) do { if(val) { \</span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="preprocessor"> (conn)->flags |= NETCONN_FLAG_NON_BLOCKING; \</span></div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="preprocessor">} else { \</span></div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="preprocessor"> (conn)->flags &= ~ NETCONN_FLAG_NON_BLOCKING; }} while(0)</span></div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  </div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="preprocessor">#define netconn_is_nonblocking(conn) (((conn)->flags & NETCONN_FLAG_NON_BLOCKING) != 0)</span></div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  </div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="preprocessor">#if LWIP_IPV6</span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  </div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="preprocessor">#define netconn_set_ipv6only(conn, val) do { if(val) { \</span></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="preprocessor"> (conn)->flags |= NETCONN_FLAG_IPV6_V6ONLY; \</span></div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="preprocessor">} else { \</span></div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="preprocessor"> (conn)->flags &= ~ NETCONN_FLAG_IPV6_V6ONLY; }} while(0)</span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  </div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="preprocessor">#define netconn_get_ipv6only(conn) (((conn)->flags & NETCONN_FLAG_IPV6_V6ONLY) != 0)</span></div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></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 LWIP_SO_SNDTIMEO</span></div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  </div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="preprocessor">#define netconn_set_sendtimeout(conn, timeout) ((conn)->send_timeout = (timeout))</span></div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  </div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="preprocessor">#define netconn_get_sendtimeout(conn) ((conn)->send_timeout)</span></div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_SNDTIMEO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="preprocessor">#if LWIP_SO_RCVTIMEO</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="preprocessor">#define netconn_set_recvtimeout(conn, timeout) ((conn)->recv_timeout = (timeout))</span></div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  </div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="preprocessor">#define netconn_get_recvtimeout(conn) ((conn)->recv_timeout)</span></div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVTIMEO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="preprocessor">#if LWIP_SO_RCVBUF</span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  </div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="preprocessor">#define netconn_set_recvbufsize(conn, recvbufsize) ((conn)->recv_bufsize = (recvbufsize))</span></div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  </div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="preprocessor">#define netconn_get_recvbufsize(conn) ((conn)->recv_bufsize)</span></div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVBUF*/</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  </div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> <span class="preprocessor">#if LWIP_NETCONN_SEM_PER_THREAD</span></div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="keywordtype">void</span> netconn_thread_init(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> <span class="keywordtype">void</span> netconn_thread_cleanup(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_NETCONN_SEM_PER_THREAD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="preprocessor">#define netconn_thread_init()</span></div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> <span class="preprocessor">#define netconn_thread_cleanup()</span></div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_NETCONN_SEM_PER_THREAD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  </div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</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>  </div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_NETCONN || LWIP_SOCKET */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  </div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_HDR_API_H */</span><span class="preprocessor"></span></div>
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