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| <div class="textblock"><code>#include "<a class="el" href="opt_8h.html">lwip/opt.h</a>"</code><br /> |
| <code>#include "<a class="el" href="def_8h.html">lwip/def.h</a>"</code><br /> |
| </div><table class="memberdecls"> |
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| Data Structures</h2></td></tr> |
| <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structip4__addr.html">ip4_addr</a></td></tr> |
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| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="define-members" name="define-members"></a> |
| Macros</h2></td></tr> |
| <tr class="memitem:abc4b2e3531c4992f2ae4b8c0f9751544" id="r_abc4b2e3531c4992f2ae4b8c0f9751544"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#abc4b2e3531c4992f2ae4b8c0f9751544">IPADDR_NONE</a>   ((u32_t)0xffffffffUL)</td></tr> |
| <tr class="separator:abc4b2e3531c4992f2ae4b8c0f9751544"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a6f51a2eb21547df4e6b3ba046188345e" id="r_a6f51a2eb21547df4e6b3ba046188345e"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#a6f51a2eb21547df4e6b3ba046188345e">IPADDR_LOOPBACK</a>   ((u32_t)0x7f000001UL)</td></tr> |
| <tr class="separator:a6f51a2eb21547df4e6b3ba046188345e"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ad6ed0d622d61ecd6edd606e3b564f0a2" id="r_ad6ed0d622d61ecd6edd606e3b564f0a2"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ad6ed0d622d61ecd6edd606e3b564f0a2">IPADDR_ANY</a>   ((u32_t)0x00000000UL)</td></tr> |
| <tr class="separator:ad6ed0d622d61ecd6edd606e3b564f0a2"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ac661fca7e7d25e5cd379b811a767c29a" id="r_ac661fca7e7d25e5cd379b811a767c29a"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ac661fca7e7d25e5cd379b811a767c29a">IPADDR_BROADCAST</a>   ((u32_t)0xffffffffUL)</td></tr> |
| <tr class="separator:ac661fca7e7d25e5cd379b811a767c29a"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a58aee4166c466f9ac7035bf5cc9f9974" id="r_a58aee4166c466f9ac7035bf5cc9f9974"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#a58aee4166c466f9ac7035bf5cc9f9974">IP4_ADDR</a>(ipaddr, a, b, c, d)</td></tr> |
| <tr class="separator:a58aee4166c466f9ac7035bf5cc9f9974"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a2f4e9c339e897e6ca5cb4a2f1e8394d5" id="r_a2f4e9c339e897e6ca5cb4a2f1e8394d5"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#a2f4e9c339e897e6ca5cb4a2f1e8394d5">ip4_addr_copy</a>(dest, src)</td></tr> |
| <tr class="separator:a2f4e9c339e897e6ca5cb4a2f1e8394d5"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a33a17a8d2025ce3715db835534868e88" id="r_a33a17a8d2025ce3715db835534868e88"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#a33a17a8d2025ce3715db835534868e88">ip4_addr_set</a>(dest, src)</td></tr> |
| <tr class="separator:a33a17a8d2025ce3715db835534868e88"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a973b6ad98e037fc45f1e11d29cda99ea" id="r_a973b6ad98e037fc45f1e11d29cda99ea"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#a973b6ad98e037fc45f1e11d29cda99ea">ip4_addr_set_zero</a>(ipaddr)</td></tr> |
| <tr class="separator:a973b6ad98e037fc45f1e11d29cda99ea"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:afaaed3762ce8e9de14fcf73b19964567" id="r_afaaed3762ce8e9de14fcf73b19964567"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#afaaed3762ce8e9de14fcf73b19964567">ip4_addr_set_any</a>(ipaddr)</td></tr> |
| <tr class="separator:afaaed3762ce8e9de14fcf73b19964567"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a5c7eae50a387987a7f56c29c74255c3c" id="r_a5c7eae50a387987a7f56c29c74255c3c"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#a5c7eae50a387987a7f56c29c74255c3c">ip4_addr_set_loopback</a>(ipaddr)</td></tr> |
| <tr class="separator:a5c7eae50a387987a7f56c29c74255c3c"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a46dabb4df212d156004fa5afe03e2051" id="r_a46dabb4df212d156004fa5afe03e2051"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#a46dabb4df212d156004fa5afe03e2051">ip4_addr_isloopback</a>(ipaddr)</td></tr> |
| <tr class="separator:a46dabb4df212d156004fa5afe03e2051"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a901850ec90b01b9bf6baf69561aa465a" id="r_a901850ec90b01b9bf6baf69561aa465a"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#a901850ec90b01b9bf6baf69561aa465a">ip4_addr_set_hton</a>(dest, src)</td></tr> |
| <tr class="separator:a901850ec90b01b9bf6baf69561aa465a"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aeb39f58b38435f89219c8ccb509eb520" id="r_aeb39f58b38435f89219c8ccb509eb520"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#aeb39f58b38435f89219c8ccb509eb520">ip4_addr_set_u32</a>(dest_ipaddr, src_u32)</td></tr> |
| <tr class="separator:aeb39f58b38435f89219c8ccb509eb520"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ad50d93464bbbda199b585c54869a3a4b" id="r_ad50d93464bbbda199b585c54869a3a4b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#ad50d93464bbbda199b585c54869a3a4b">ip4_addr_get_u32</a>(src_ipaddr)</td></tr> |
| <tr class="separator:ad50d93464bbbda199b585c54869a3a4b"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a81658cb05ba504d13ee860e82dc444e9" id="r_a81658cb05ba504d13ee860e82dc444e9"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#a81658cb05ba504d13ee860e82dc444e9">ip4_addr_get_network</a>(target, host, netmask)</td></tr> |
| <tr class="separator:a81658cb05ba504d13ee860e82dc444e9"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:afd43f6ceb2df8d50c84509ad1059f514" id="r_afd43f6ceb2df8d50c84509ad1059f514"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#afd43f6ceb2df8d50c84509ad1059f514">ip4_addr_netcmp</a>(addr1, addr2, mask)</td></tr> |
| <tr class="separator:afd43f6ceb2df8d50c84509ad1059f514"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a2b2230516e7911dfacc9b87644ba30f1" id="r_a2b2230516e7911dfacc9b87644ba30f1"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#a2b2230516e7911dfacc9b87644ba30f1">ip_ntoa</a>(ipaddr)</td></tr> |
| <tr class="separator:a2b2230516e7911dfacc9b87644ba30f1"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="typedef-members" name="typedef-members"></a> |
| Typedefs</h2></td></tr> |
| <tr class="memitem:a3d3b45daffbc15d65da236e31e621b7e" id="r_a3d3b45daffbc15d65da236e31e621b7e"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structip4__addr.html">ip4_addr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#a3d3b45daffbc15d65da236e31e621b7e">ip4_addr_t</a></td></tr> |
| <tr class="separator:a3d3b45daffbc15d65da236e31e621b7e"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a> |
| Functions</h2></td></tr> |
| <tr class="memitem:ab3cd7e7fba28c29d35f3c17461071421" id="r_ab3cd7e7fba28c29d35f3c17461071421"><td class="memItemLeft" align="right" valign="top">u8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="#ab3cd7e7fba28c29d35f3c17461071421">ip4_addr_isbroadcast_u32</a> (u32_t addr, const struct <a class="el" href="structnetif.html">netif</a> *<a class="el" href="structnetif.html">netif</a>)</td></tr> |
| <tr class="separator:ab3cd7e7fba28c29d35f3c17461071421"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ab5810d404b0ad1b89ef1323ea1e78071" id="r_ab5810d404b0ad1b89ef1323ea1e78071"><td class="memItemLeft" align="right" valign="top">u8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="#ab5810d404b0ad1b89ef1323ea1e78071">ip4_addr_netmask_valid</a> (u32_t netmask)</td></tr> |
| <tr class="separator:ab5810d404b0ad1b89ef1323ea1e78071"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a2c05f9138da41115978409e547df9670" id="r_a2c05f9138da41115978409e547df9670"><td class="memItemLeft" align="right" valign="top">u32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="#a2c05f9138da41115978409e547df9670">ipaddr_addr</a> (const char *cp)</td></tr> |
| <tr class="separator:a2c05f9138da41115978409e547df9670"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:af66de98501e92c66714d58119b6d9e1a" id="r_af66de98501e92c66714d58119b6d9e1a"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#af66de98501e92c66714d58119b6d9e1a">ip4addr_aton</a> (const char *cp, <a class="el" href="#a3d3b45daffbc15d65da236e31e621b7e">ip4_addr_t</a> *addr)</td></tr> |
| <tr class="separator:af66de98501e92c66714d58119b6d9e1a"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:af01e406c5f44a325d779c4b4282a1744" id="r_af01e406c5f44a325d779c4b4282a1744"><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="#af01e406c5f44a325d779c4b4282a1744">ip4addr_ntoa</a> (const <a class="el" href="#a3d3b45daffbc15d65da236e31e621b7e">ip4_addr_t</a> *addr)</td></tr> |
| <tr class="separator:af01e406c5f44a325d779c4b4282a1744"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a3abcfd31a756ccc91ceef5e59216f2d4" id="r_a3abcfd31a756ccc91ceef5e59216f2d4"><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="#a3abcfd31a756ccc91ceef5e59216f2d4">ip4addr_ntoa_r</a> (const <a class="el" href="#a3d3b45daffbc15d65da236e31e621b7e">ip4_addr_t</a> *addr, char *buf, int buflen)</td></tr> |
| <tr class="separator:a3abcfd31a756ccc91ceef5e59216f2d4"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>IPv4 address API </p> |
| </div><h2 class="groupheader">Macro Definition Documentation</h2> |
| <a id="a58aee4166c466f9ac7035bf5cc9f9974" name="a58aee4166c466f9ac7035bf5cc9f9974"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a58aee4166c466f9ac7035bf5cc9f9974">◆ </a></span>IP4_ADDR</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define IP4_ADDR</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>ipaddr</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>a</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>b</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>c</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>d</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">(ipaddr)->addr = PP_HTONL(<a class="code hl_define" href="def_8h.html#acf56d3da92a0a7a8a62a617e793e948c">LWIP_MAKEU32</a>(a,b,c,d))</div> |
| <div class="ttc" id="adef_8h_html_acf56d3da92a0a7a8a62a617e793e948c"><div class="ttname"><a href="def_8h.html#acf56d3da92a0a7a8a62a617e793e948c">LWIP_MAKEU32</a></div><div class="ttdeci">#define LWIP_MAKEU32(a, b, c, d)</div><div class="ttdef"><b>Definition</b> def.h:72</div></div> |
| </div><!-- fragment --><p>Set an IP address given by the four byte-parts </p> |
| |
| </div> |
| </div> |
| <a id="a2f4e9c339e897e6ca5cb4a2f1e8394d5" name="a2f4e9c339e897e6ca5cb4a2f1e8394d5"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a2f4e9c339e897e6ca5cb4a2f1e8394d5">◆ </a></span>ip4_addr_copy</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define ip4_addr_copy</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>src</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">((dest).addr = (src).addr)</div> |
| </div><!-- fragment --><p>Copy IP address - faster than ip4_addr_set: no NULL check </p> |
| |
| </div> |
| </div> |
| <a id="a81658cb05ba504d13ee860e82dc444e9" name="a81658cb05ba504d13ee860e82dc444e9"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a81658cb05ba504d13ee860e82dc444e9">◆ </a></span>ip4_addr_get_network</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define ip4_addr_get_network</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>target</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>host</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>netmask</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { ((target)->addr = ((host)->addr) & ((netmask)->addr)); } <span class="keywordflow">while</span>(0)</div> |
| </div><!-- fragment --><p>Get the network address by combining host address with netmask </p> |
| |
| </div> |
| </div> |
| <a id="ad50d93464bbbda199b585c54869a3a4b" name="ad50d93464bbbda199b585c54869a3a4b"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ad50d93464bbbda199b585c54869a3a4b">◆ </a></span>ip4_addr_get_u32</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define ip4_addr_get_u32</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>src_ipaddr</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">((src_ipaddr)->addr)</div> |
| </div><!-- fragment --><p>IPv4 only: get the IP address as an u32_t </p> |
| |
| </div> |
| </div> |
| <a id="a46dabb4df212d156004fa5afe03e2051" name="a46dabb4df212d156004fa5afe03e2051"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a46dabb4df212d156004fa5afe03e2051">◆ </a></span>ip4_addr_isloopback</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define ip4_addr_isloopback</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>ipaddr</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">(((ipaddr)->addr & PP_HTONL(IP_CLASSA_NET)) == PP_HTONL(((u32_t)IP_LOOPBACKNET) << 24))</div> |
| </div><!-- fragment --><p>Check if an address is in the loopback region </p> |
| |
| </div> |
| </div> |
| <a id="afd43f6ceb2df8d50c84509ad1059f514" name="afd43f6ceb2df8d50c84509ad1059f514"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#afd43f6ceb2df8d50c84509ad1059f514">◆ </a></span>ip4_addr_netcmp</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define ip4_addr_netcmp</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>addr1</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>addr2</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>mask</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"> (((addr1)->addr & \</div> |
| <div class="line"> (mask)->addr) == \</div> |
| <div class="line"> ((addr2)->addr & \</div> |
| <div class="line"> (mask)->addr))</div> |
| </div><!-- fragment --><p>Determine if two address are on the same network.</p> |
| <ul> |
| <li>addr1 IP address 1 </li> |
| <li>addr2 IP address 2 </li> |
| <li>mask network identifier mask <dl class="section return"><dt>Returns</dt><dd>!0 if the network identifiers of both address match </dd></dl> |
| </li> |
| </ul> |
| |
| </div> |
| </div> |
| <a id="a33a17a8d2025ce3715db835534868e88" name="a33a17a8d2025ce3715db835534868e88"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a33a17a8d2025ce3715db835534868e88">◆ </a></span>ip4_addr_set</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define ip4_addr_set</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>src</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"> ((dest)->addr = \</div> |
| <div class="line"> ((src) == NULL ? 0 : \</div> |
| <div class="line"> (src)->addr))</div> |
| </div><!-- fragment --><p>Safely copy one IP address to another (src may be NULL) </p> |
| |
| </div> |
| </div> |
| <a id="afaaed3762ce8e9de14fcf73b19964567" name="afaaed3762ce8e9de14fcf73b19964567"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#afaaed3762ce8e9de14fcf73b19964567">◆ </a></span>ip4_addr_set_any</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define ip4_addr_set_any</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>ipaddr</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">((ipaddr)->addr = <a class="code hl_define" href="#ad6ed0d622d61ecd6edd606e3b564f0a2">IPADDR_ANY</a>)</div> |
| <div class="ttc" id="aip4__addr_8h_html_ad6ed0d622d61ecd6edd606e3b564f0a2"><div class="ttname"><a href="#ad6ed0d622d61ecd6edd606e3b564f0a2">IPADDR_ANY</a></div><div class="ttdeci">#define IPADDR_ANY</div><div class="ttdef"><b>Definition</b> ip4_addr.h:67</div></div> |
| </div><!-- fragment --><p>Set address to IPADDR_ANY (no need for <a class="el" href="def_8c.html#a14f94347a5b9b9e3602705b75b7ae524">lwip_htonl()</a>) </p> |
| |
| </div> |
| </div> |
| <a id="a901850ec90b01b9bf6baf69561aa465a" name="a901850ec90b01b9bf6baf69561aa465a"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a901850ec90b01b9bf6baf69561aa465a">◆ </a></span>ip4_addr_set_hton</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define ip4_addr_set_hton</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>src</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"> ((dest)->addr = \</div> |
| <div class="line"> ((src) == NULL ? 0:\</div> |
| <div class="line"> lwip_htonl((src)->addr)))</div> |
| </div><!-- fragment --><p>Safely copy one IP address to another and change byte order from host- to network-order. </p> |
| |
| </div> |
| </div> |
| <a id="a5c7eae50a387987a7f56c29c74255c3c" name="a5c7eae50a387987a7f56c29c74255c3c"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a5c7eae50a387987a7f56c29c74255c3c">◆ </a></span>ip4_addr_set_loopback</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define ip4_addr_set_loopback</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>ipaddr</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">((ipaddr)->addr = PP_HTONL(<a class="code hl_define" href="#a6f51a2eb21547df4e6b3ba046188345e">IPADDR_LOOPBACK</a>))</div> |
| <div class="ttc" id="aip4__addr_8h_html_a6f51a2eb21547df4e6b3ba046188345e"><div class="ttname"><a href="#a6f51a2eb21547df4e6b3ba046188345e">IPADDR_LOOPBACK</a></div><div class="ttdeci">#define IPADDR_LOOPBACK</div><div class="ttdef"><b>Definition</b> ip4_addr.h:65</div></div> |
| </div><!-- fragment --><p>Set address to loopback address </p> |
| |
| </div> |
| </div> |
| <a id="aeb39f58b38435f89219c8ccb509eb520" name="aeb39f58b38435f89219c8ccb509eb520"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#aeb39f58b38435f89219c8ccb509eb520">◆ </a></span>ip4_addr_set_u32</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define ip4_addr_set_u32</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>dest_ipaddr</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>src_u32</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">((dest_ipaddr)->addr = (src_u32))</div> |
| </div><!-- fragment --><p>IPv4 only: set the IP address given as an u32_t </p> |
| |
| </div> |
| </div> |
| <a id="a973b6ad98e037fc45f1e11d29cda99ea" name="a973b6ad98e037fc45f1e11d29cda99ea"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a973b6ad98e037fc45f1e11d29cda99ea">◆ </a></span>ip4_addr_set_zero</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define ip4_addr_set_zero</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>ipaddr</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">((ipaddr)->addr = 0)</div> |
| </div><!-- fragment --><p>Set complete address to zero </p> |
| |
| </div> |
| </div> |
| <a id="a2b2230516e7911dfacc9b87644ba30f1" name="a2b2230516e7911dfacc9b87644ba30f1"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a2b2230516e7911dfacc9b87644ba30f1">◆ </a></span>ip_ntoa</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define ip_ntoa</td> |
| <td>(</td> |
| <td class="paramtype"></td> <td class="paramname"><span class="paramname"><em>ipaddr</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><a class="code hl_function" href="group__ipaddr.html#gaac2dcc0e35eb5cf6df9c47ba3c3cdeef">ipaddr_ntoa</a>(ipaddr)</div> |
| <div class="ttc" id="agroup__ipaddr_html_gaac2dcc0e35eb5cf6df9c47ba3c3cdeef"><div class="ttname"><a href="group__ipaddr.html#gaac2dcc0e35eb5cf6df9c47ba3c3cdeef">ipaddr_ntoa</a></div><div class="ttdeci">char * ipaddr_ntoa(const ip_addr_t *addr)</div><div class="ttdef"><b>Definition</b> ip.c:79</div></div> |
| </div><!-- fragment --><p>For backwards compatibility </p> |
| |
| </div> |
| </div> |
| <a id="ad6ed0d622d61ecd6edd606e3b564f0a2" name="ad6ed0d622d61ecd6edd606e3b564f0a2"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ad6ed0d622d61ecd6edd606e3b564f0a2">◆ </a></span>IPADDR_ANY</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define IPADDR_ANY   ((u32_t)0x00000000UL)</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>0.0.0.0 </p> |
| |
| </div> |
| </div> |
| <a id="ac661fca7e7d25e5cd379b811a767c29a" name="ac661fca7e7d25e5cd379b811a767c29a"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ac661fca7e7d25e5cd379b811a767c29a">◆ </a></span>IPADDR_BROADCAST</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define IPADDR_BROADCAST   ((u32_t)0xffffffffUL)</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>255.255.255.255 </p> |
| |
| </div> |
| </div> |
| <a id="a6f51a2eb21547df4e6b3ba046188345e" name="a6f51a2eb21547df4e6b3ba046188345e"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a6f51a2eb21547df4e6b3ba046188345e">◆ </a></span>IPADDR_LOOPBACK</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define IPADDR_LOOPBACK   ((u32_t)0x7f000001UL)</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>127.0.0.1 </p> |
| |
| </div> |
| </div> |
| <a id="abc4b2e3531c4992f2ae4b8c0f9751544" name="abc4b2e3531c4992f2ae4b8c0f9751544"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#abc4b2e3531c4992f2ae4b8c0f9751544">◆ </a></span>IPADDR_NONE</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define IPADDR_NONE   ((u32_t)0xffffffffUL)</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>255.255.255.255 </p> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Typedef Documentation</h2> |
| <a id="a3d3b45daffbc15d65da236e31e621b7e" name="a3d3b45daffbc15d65da236e31e621b7e"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a3d3b45daffbc15d65da236e31e621b7e">◆ </a></span>ip4_addr_t</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">typedef struct <a class="el" href="structip4__addr.html">ip4_addr</a> <a class="el" href="#a3d3b45daffbc15d65da236e31e621b7e">ip4_addr_t</a></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>ip4_addr_t uses a struct for convenience only, so that the same defines can operate both on ip4_addr_t as well as on ip4_addr_p_t. </p> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Function Documentation</h2> |
| <a id="ab3cd7e7fba28c29d35f3c17461071421" name="ab3cd7e7fba28c29d35f3c17461071421"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ab3cd7e7fba28c29d35f3c17461071421">◆ </a></span>ip4_addr_isbroadcast_u32()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">u8_t ip4_addr_isbroadcast_u32 </td> |
| <td>(</td> |
| <td class="paramtype">u32_t</td> <td class="paramname"><span class="paramname"><em>addr</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">const struct <a class="el" href="structnetif.html">netif</a> *</td> <td class="paramname"><span class="paramname"><em>netif</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Determine if an address is a broadcast address on a network interface</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">addr</td><td>address to be checked </td></tr> |
| <tr><td class="paramname">netif</td><td>the network interface against which the address is checked </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>returns non-zero if the address is a broadcast address </dd></dl> |
| |
| </div> |
| </div> |
| <a id="ab5810d404b0ad1b89ef1323ea1e78071" name="ab5810d404b0ad1b89ef1323ea1e78071"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ab5810d404b0ad1b89ef1323ea1e78071">◆ </a></span>ip4_addr_netmask_valid()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">u8_t ip4_addr_netmask_valid </td> |
| <td>(</td> |
| <td class="paramtype">u32_t</td> <td class="paramname"><span class="paramname"><em>netmask</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Checks if a netmask is valid (starting with ones, then only zeros)</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">netmask</td><td>the IPv4 netmask to check (in network byte order!) </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>1 if the netmask is valid, 0 if it is not </dd></dl> |
| |
| </div> |
| </div> |
| <a id="af66de98501e92c66714d58119b6d9e1a" name="af66de98501e92c66714d58119b6d9e1a"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#af66de98501e92c66714d58119b6d9e1a">◆ </a></span>ip4addr_aton()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">int ip4addr_aton </td> |
| <td>(</td> |
| <td class="paramtype">const char *</td> <td class="paramname"><span class="paramname"><em>cp</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="#a3d3b45daffbc15d65da236e31e621b7e">ip4_addr_t</a> *</td> <td class="paramname"><span class="paramname"><em>addr</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Check whether "cp" is a valid ascii representation of an Internet address and convert to a binary address. Returns 1 if the address is valid, 0 if not. This replaces inet_addr, the return value from which cannot distinguish between failure and a local broadcast address.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">cp</td><td>IP address in ascii representation (e.g. "127.0.0.1") </td></tr> |
| <tr><td class="paramname">addr</td><td>pointer to which to save the ip address in network order </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>1 if cp could be converted to addr, 0 on failure </dd></dl> |
| |
| </div> |
| </div> |
| <a id="af01e406c5f44a325d779c4b4282a1744" name="af01e406c5f44a325d779c4b4282a1744"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#af01e406c5f44a325d779c4b4282a1744">◆ </a></span>ip4addr_ntoa()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">char * ip4addr_ntoa </td> |
| <td>(</td> |
| <td class="paramtype">const <a class="el" href="#a3d3b45daffbc15d65da236e31e621b7e">ip4_addr_t</a> *</td> <td class="paramname"><span class="paramname"><em>addr</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>returns ptr to static buffer; not reentrant!</p> |
| <p>Convert numeric IP address into decimal dotted ASCII representation. returns ptr to static buffer; not reentrant!</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">addr</td><td>ip address in network order to convert </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>pointer to a global static (!) buffer that holds the ASCII representation of addr </dd></dl> |
| |
| </div> |
| </div> |
| <a id="a3abcfd31a756ccc91ceef5e59216f2d4" name="a3abcfd31a756ccc91ceef5e59216f2d4"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a3abcfd31a756ccc91ceef5e59216f2d4">◆ </a></span>ip4addr_ntoa_r()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">char * ip4addr_ntoa_r </td> |
| <td>(</td> |
| <td class="paramtype">const <a class="el" href="#a3d3b45daffbc15d65da236e31e621b7e">ip4_addr_t</a> *</td> <td class="paramname"><span class="paramname"><em>addr</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">char *</td> <td class="paramname"><span class="paramname"><em>buf</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>buflen</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Same as ip4addr_ntoa, but reentrant since a user-supplied buffer is used.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">addr</td><td>ip address in network order to convert </td></tr> |
| <tr><td class="paramname">buf</td><td>target buffer where the string is stored </td></tr> |
| <tr><td class="paramname">buflen</td><td>length of buf </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>either pointer to buf which now holds the ASCII representation of addr or NULL if buf was too small </dd></dl> |
| |
| </div> |
| </div> |
| <a id="a2c05f9138da41115978409e547df9670" name="a2c05f9138da41115978409e547df9670"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a2c05f9138da41115978409e547df9670">◆ </a></span>ipaddr_addr()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">u32_t ipaddr_addr </td> |
| <td>(</td> |
| <td class="paramtype">const char *</td> <td class="paramname"><span class="paramname"><em>cp</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Ascii internet address interpretation routine. The value returned is in network order.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">cp</td><td>IP address in ascii representation (e.g. "127.0.0.1") </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>ip address in network order </dd></dl> |
| |
| </div> |
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