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  1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    2. 

  2. <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
    3. 

  3. <title>uIP 1.0: uIP conversion functions</title>
    4. 

  4. <link href="doxygen.css" rel="stylesheet" type="text/css">
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  6. </head><body>
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  7. <!-- Generated by Doxygen 1.4.6 -->
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  8. <div class="tabs">
    9. 

  9.   <ul>
    10. 

  10.     <li><a href="main.html"><span>Main&nbsp;Page</span></a></li>
    11. 

  11.     <li><a href="modules.html"><span>Modules</span></a></li>
    12. 

  12.     <li><a href="classes.html"><span>Data&nbsp;Structures</span></a></li>
    13. 

  13.     <li><a href="files.html"><span>Files</span></a></li>
    14. 

  14.     <li><a href="examples.html"><span>Examples</span></a></li>
    15. 

  15.   </ul></div>
    16. 

  16. <h1>uIP conversion functions<br>
    17. 

  17. <small>
    18. 

  18. [<a class="el" href="a00150.html">The uIP TCP/IP stack</a>]</small>
    19. 

  19. </h1><hr><a name="_details"></a><h2>Detailed Description</h2>
    20. 

  20. These functions can be used for converting between different data formats used by uIP. 
    21. 

  21. <p>
    22. 

  22. 

  23. <p>
    24. 

  24. <table border="0" cellpadding="0" cellspacing="0">
    25. 

  25. <tr><td></td></tr>
    26. 

  26. <tr><td colspan="2"><br><h2>Defines</h2></td></tr>
    27. 

  27. <tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(addr, addr0, addr1, addr2, addr3)</td></tr>
    28. 

  28. 

  29. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Construct an IP address from four bytes.  <a href="#g87f0b54ade0d159fba495089128a4932"></a><br></td></tr>
    30. 

  30. <tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00148.html#g53fbda0e8c31d4882294c8dc3cb5f487">uip_ip6addr</a>(addr, addr0, addr1, addr2, addr3, addr4, addr5, addr6, addr7)</td></tr>
    31. 

  31. 

  32. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Construct an IPv6 address from eight 16-bit words.  <a href="#g53fbda0e8c31d4882294c8dc3cb5f487"></a><br></td></tr>
    33. 

  33. <tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00148.html#g769512993b7b27271909d6daa4748b60">uip_ipaddr_copy</a>(dest, src)</td></tr>
    34. 

  34. 

  35. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Copy an IP address to another IP address.  <a href="#g769512993b7b27271909d6daa4748b60"></a><br></td></tr>
    36. 

  36. <tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00148.html#g210e629f7252e4bc8458cbdf260b3318">uip_ipaddr_cmp</a>(addr1, addr2)</td></tr>
    37. 

  37. 

  38. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compare two IP addresses.  <a href="#g210e629f7252e4bc8458cbdf260b3318"></a><br></td></tr>
    39. 

  39. <tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00148.html#g6b16e0bac41821c1fbe0c267071642f0">uip_ipaddr_maskcmp</a>(addr1, addr2, mask)</td></tr>
    40. 

  40. 

  41. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compare two IP addresses with netmasks.  <a href="#g6b16e0bac41821c1fbe0c267071642f0"></a><br></td></tr>
    42. 

  42. <tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00148.html#g969d7fff37a979737da045e0d538a9bd">uip_ipaddr_mask</a>(dest, src, mask)</td></tr>
    43. 

  43. 

  44. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Mask out the network part of an IP address.  <a href="#g969d7fff37a979737da045e0d538a9bd"></a><br></td></tr>
    45. 

  45. <tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00148.html#g22fa0681cd463191d7a01fe85d86996f">uip_ipaddr1</a>(addr)</td></tr>
    46. 

  46. 

  47. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Pick the first octet of an IP address.  <a href="#g22fa0681cd463191d7a01fe85d86996f"></a><br></td></tr>
    48. 

  48. <tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00148.html#gffcd2fbe181e2aaefbf970551c302af5">uip_ipaddr2</a>(addr)</td></tr>
    49. 

  49. 

  50. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Pick the second octet of an IP address.  <a href="#gffcd2fbe181e2aaefbf970551c302af5"></a><br></td></tr>
    51. 

  51. <tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00148.html#ge23534479ead15af8ff08ace26a47fb5">uip_ipaddr3</a>(addr)</td></tr>
    52. 

  52. 

  53. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Pick the third octet of an IP address.  <a href="#ge23534479ead15af8ff08ace26a47fb5"></a><br></td></tr>
    54. 

  54. <tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00148.html#g165b603ec150e26efec7be199c9c2901">uip_ipaddr4</a>(addr)</td></tr>
    55. 

  55. 

  56. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Pick the fourth octet of an IP address.  <a href="#g165b603ec150e26efec7be199c9c2901"></a><br></td></tr>
    57. 

  57. <tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00148.html#g69a7a4951ff21b302267532c21ee78fc">HTONS</a>(n)</td></tr>
    58. 

  58. 

  59. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Convert 16-bit quantity from host byte order to network byte order.  <a href="#g69a7a4951ff21b302267532c21ee78fc"></a><br></td></tr>
    60. 

  60. <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="g118e9d76568ab81ad97f138d4ea1ddd2"></a><!-- doxytag: member="uipconvfunc::ntohs" ref="g118e9d76568ab81ad97f138d4ea1ddd2" args="" -->
    61. 

  61. #define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00148.html#g118e9d76568ab81ad97f138d4ea1ddd2">ntohs</a>&nbsp;&nbsp;&nbsp;htons</td></tr>
    62. 

  62. 

  63. <tr><td colspan="2"><br><h2>Functions</h2></td></tr>
    64. 

  64. <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00148.html#ga22b04cac8cf283ca12f028578bebc06">htons</a> (<a class="el" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> val)</td></tr>
    65. 

  65. 

  66. <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Convert 16-bit quantity from host byte order to network byte order.  <a href="#ga22b04cac8cf283ca12f028578bebc06"></a><br></td></tr>
    67. 

  67. </table>
    68. 

  68. <hr><h2>Define Documentation</h2>
    69. 

  69. <a class="anchor" name="g69a7a4951ff21b302267532c21ee78fc"></a><!-- doxytag: member="uip.h::HTONS" ref="g69a7a4951ff21b302267532c21ee78fc" args="(n)" --><p>
    70. 

  70. <table class="mdTable" cellpadding="2" cellspacing="0">
    71. 

  71.   <tr>
    72. 

  72.     <td class="mdRow">
    73. 

  73.       <table cellpadding="0" cellspacing="0" border="0">
    74. 

  74.         <tr>
    75. 

  75.           <td class="md" nowrap valign="top">#define HTONS          </td>
    76. 

  76.           <td class="md" valign="top">(&nbsp;</td>
    77. 

  77.           <td class="md" nowrap valign="top">n&nbsp;</td>
    78. 

  78.           <td class="mdname1" valign="top" nowrap>          </td>
    79. 

  79.           <td class="md" valign="top">&nbsp;)&nbsp;</td>
    80. 

  80.           <td class="md" nowrap></td>
    81. 

  81.         </tr>
    82. 

  82.       </table>
    83. 

  83.     </td>
    84. 

  84.   </tr>
    85. 

  85. </table>
    86. 

  86. <table cellspacing="5" cellpadding="0" border="0">
    87. 

  87.   <tr>
    88. 

  88.     <td>
    89. 

  89.       &nbsp;
    90. 

  90.     </td>
    91. 

  91.     <td>
    92. 

  92. 

  93. <p>
    94. 

  94. Convert 16-bit quantity from host byte order to network byte order. 
    95. 

  95. <p>
    96. 

  96. This macro is primarily used for converting constants from host byte order to network byte order. For converting variables to network byte order, use the <a class="el" href="a00148.html#ga22b04cac8cf283ca12f028578bebc06">htons()</a> function instead. <dl compact><dt><b>Examples: </b></dt><dd>
    97. 

  97. <a class="el" href="a00048.html#a6">dhcpc.c</a>, <a class="el" href="a00036.html#a103">hello-world.c</a>, <a class="el" href="a00046.html#a139">resolv.c</a>, <a class="el" href="a00038.html#a191">smtp.c</a>, and <a class="el" href="a00044.html#a219">telnetd.c</a>.</dl>
    98. 

  98. <p>
    99. 

  99. Definition at line <a class="el" href="a00202.html#l01070">1070</a> of file <a class="el" href="a00202.html">uip.h</a>.
    100. 

  100. <p>
    101. 

  101. Referenced by <a class="el" href="a00170.html#l00041">hello_world_init()</a>, <a class="el" href="a00201.html#l01882">htons()</a>, <a class="el" href="a00184.html#l00333">httpd_init()</a>, <a class="el" href="a00172.html#l00331">resolv_appcall()</a>, <a class="el" href="a00172.html#l00438">resolv_conf()</a>, <a class="el" href="a00174.html#l00233">smtp_send()</a>, <a class="el" href="a00204.html#l00278">uip_arp_arpin()</a>, and <a class="el" href="a00201.html#l00682">uip_process()</a>.    </td>
    102. 

  102.   </tr>
    103. 

  103. </table>
    104. 

  104. <a class="anchor" name="g53fbda0e8c31d4882294c8dc3cb5f487"></a><!-- doxytag: member="uip.h::uip_ip6addr" ref="g53fbda0e8c31d4882294c8dc3cb5f487" args="(addr, addr0, addr1, addr2, addr3, addr4, addr5, addr6, addr7)" --><p>
    105. 

  105. <table class="mdTable" cellpadding="2" cellspacing="0">
    106. 

  106.   <tr>
    107. 

  107.     <td class="mdRow">
    108. 

  108.       <table cellpadding="0" cellspacing="0" border="0">
    109. 

  109.         <tr>
    110. 

  110.           <td class="md" nowrap valign="top">#define uip_ip6addr          </td>
    111. 

  111.           <td class="md" valign="top">(&nbsp;</td>
    112. 

  112.           <td class="md" nowrap valign="top">addr,         <tr>
    113. 

  113.           <td class="md" nowrap align="right"></td>
    114. 

  114.           <td class="md"></td>
    115. 

  115.           <td class="md" nowrap>addr0,         <tr>
    116. 

  116.           <td class="md" nowrap align="right"></td>
    117. 

  117.           <td class="md"></td>
    118. 

  118.           <td class="md" nowrap>addr1,         <tr>
    119. 

  119.           <td class="md" nowrap align="right"></td>
    120. 

  120.           <td class="md"></td>
    121. 

  121.           <td class="md" nowrap>addr2,         <tr>
    122. 

  122.           <td class="md" nowrap align="right"></td>
    123. 

  123.           <td class="md"></td>
    124. 

  124.           <td class="md" nowrap>addr3,         <tr>
    125. 

  125.           <td class="md" nowrap align="right"></td>
    126. 

  126.           <td class="md"></td>
    127. 

  127.           <td class="md" nowrap>addr4,         <tr>
    128. 

  128.           <td class="md" nowrap align="right"></td>
    129. 

  129.           <td class="md"></td>
    130. 

  130.           <td class="md" nowrap>addr5,         <tr>
    131. 

  131.           <td class="md" nowrap align="right"></td>
    132. 

  132.           <td class="md"></td>
    133. 

  133.           <td class="md" nowrap>addr6,         <tr>
    134. 

  134.           <td class="md" nowrap align="right"></td>
    135. 

  135.           <td class="md"></td>
    136. 

  136.           <td class="md" nowrap>addr7&nbsp;</td>
    137. 

  137.           <td class="mdname1" valign="top" nowrap>          </td>
    138. 

  138.           <td class="md" valign="top">&nbsp;)&nbsp;</td>
    139. 

  139.           <td class="md" nowrap></td>
    140. 

  140.         </tr>
    141. 

  141.       </table>
    142. 

  142.     </td>
    143. 

  143.   </tr>
    144. 

  144. </table>
    145. 

  145. <table cellspacing="5" cellpadding="0" border="0">
    146. 

  146.   <tr>
    147. 

  147.     <td>
    148. 

  148.       &nbsp;
    149. 

  149.     </td>
    150. 

  150.     <td>
    151. 

  151. 

  152. <p>
    153. 

  153. Construct an IPv6 address from eight 16-bit words. 
    154. 

  154. <p>
    155. 

  155. This function constructs an IPv6 address. 
    156. 

  156. <p>
    157. 

  157. Definition at line <a class="el" href="a00202.html#l00852">852</a> of file <a class="el" href="a00202.html">uip.h</a>.    </td>
    158. 

  158.   </tr>
    159. 

  159. </table>
    160. 

  160. <a class="anchor" name="g87f0b54ade0d159fba495089128a4932"></a><!-- doxytag: member="uip.h::uip_ipaddr" ref="g87f0b54ade0d159fba495089128a4932" args="(addr, addr0, addr1, addr2, addr3)" --><p>
    161. 

  161. <table class="mdTable" cellpadding="2" cellspacing="0">
    162. 

  162.   <tr>
    163. 

  163.     <td class="mdRow">
    164. 

  164.       <table cellpadding="0" cellspacing="0" border="0">
    165. 

  165.         <tr>
    166. 

  166.           <td class="md" nowrap valign="top">#define uip_ipaddr          </td>
    167. 

  167.           <td class="md" valign="top">(&nbsp;</td>
    168. 

  168.           <td class="md" nowrap valign="top">addr,         <tr>
    169. 

  169.           <td class="md" nowrap align="right"></td>
    170. 

  170.           <td class="md"></td>
    171. 

  171.           <td class="md" nowrap>addr0,         <tr>
    172. 

  172.           <td class="md" nowrap align="right"></td>
    173. 

  173.           <td class="md"></td>
    174. 

  174.           <td class="md" nowrap>addr1,         <tr>
    175. 

  175.           <td class="md" nowrap align="right"></td>
    176. 

  176.           <td class="md"></td>
    177. 

  177.           <td class="md" nowrap>addr2,         <tr>
    178. 

  178.           <td class="md" nowrap align="right"></td>
    179. 

  179.           <td class="md"></td>
    180. 

  180.           <td class="md" nowrap>addr3&nbsp;</td>
    181. 

  181.           <td class="mdname1" valign="top" nowrap>          </td>
    182. 

  182.           <td class="md" valign="top">&nbsp;)&nbsp;</td>
    183. 

  183.           <td class="md" nowrap></td>
    184. 

  184.         </tr>
    185. 

  185.       </table>
    186. 

  186.     </td>
    187. 

  187.   </tr>
    188. 

  188. </table>
    189. 

  189. <table cellspacing="5" cellpadding="0" border="0">
    190. 

  190.   <tr>
    191. 

  191.     <td>
    192. 

  192.       &nbsp;
    193. 

  193.     </td>
    194. 

  194.     <td>
    195. 

  195. 

  196. <p>
    197. 

  197. Construct an IP address from four bytes. 
    198. 

  198. <p>
    199. 

  199. This function constructs an IP address of the type that uIP handles internally from four bytes. The function is handy for specifying IP addresses to use with e.g. the <a class="el" href="a00147.html#g8096b0c4b543dc408f4dd031ddae7240">uip_connect()</a> function.<p>
    200. 

  200. Example: <div class="fragment"><pre class="fragment"> <a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> ipaddr;
    201. 

  201.  <span class="keyword">struct </span><a class="code" href="a00088.html">uip_conn</a> *c;
    202. 

  202.  
    203. 

  203.  <a class="code" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(&amp;ipaddr, 192,168,1,2);
    204. 

  204.  c = <a class="code" href="a00147.html#g8096b0c4b543dc408f4dd031ddae7240">uip_connect</a>(&amp;ipaddr, <a class="code" href="a00148.html#g69a7a4951ff21b302267532c21ee78fc">HTONS</a>(80));
    205. 

  205. </pre></div><p>
    206. 

  206. <dl compact><dt><b>Parameters:</b></dt><dd>
    207. 

  207.   <table border="0" cellspacing="2" cellpadding="0">
    208. 

  208.     <tr><td valign="top"></td><td valign="top"><em>addr</em>&nbsp;</td><td>A pointer to a uip_ipaddr_t variable that will be filled in with the IP address.</td></tr>
    209. 

  209.     <tr><td valign="top"></td><td valign="top"><em>addr0</em>&nbsp;</td><td>The first octet of the IP address. </td></tr>
    210. 

  210.     <tr><td valign="top"></td><td valign="top"><em>addr1</em>&nbsp;</td><td>The second octet of the IP address. </td></tr>
    211. 

  211.     <tr><td valign="top"></td><td valign="top"><em>addr2</em>&nbsp;</td><td>The third octet of the IP address. </td></tr>
    212. 

  212.     <tr><td valign="top"></td><td valign="top"><em>addr3</em>&nbsp;</td><td>The forth octet of the IP address. </td></tr>
    213. 

  213.   </table>
    214. 

  214. </dl>
    215. 

  215. <dl compact><dt><b>Examples: </b></dt><dd>
    216. 

  216. <a class="el" href="a00048.html#a36">dhcpc.c</a>, <a class="el" href="a00042.html#a65">example-mainloop-with-arp.c</a>, and <a class="el" href="a00043.html#a89">example-mainloop-without-arp.c</a>.</dl>
    217. 

  217. <p>
    218. 

  218. Definition at line <a class="el" href="a00202.html#l00840">840</a> of file <a class="el" href="a00202.html">uip.h</a>.    </td>
    219. 

  219.   </tr>
    220. 

  220. </table>
    221. 

  221. <a class="anchor" name="g22fa0681cd463191d7a01fe85d86996f"></a><!-- doxytag: member="uip.h::uip_ipaddr1" ref="g22fa0681cd463191d7a01fe85d86996f" args="(addr)" --><p>
    222. 

  222. <table class="mdTable" cellpadding="2" cellspacing="0">
    223. 

  223.   <tr>
    224. 

  224.     <td class="mdRow">
    225. 

  225.       <table cellpadding="0" cellspacing="0" border="0">
    226. 

  226.         <tr>
    227. 

  227.           <td class="md" nowrap valign="top">#define uip_ipaddr1          </td>
    228. 

  228.           <td class="md" valign="top">(&nbsp;</td>
    229. 

  229.           <td class="md" nowrap valign="top">addr&nbsp;</td>
    230. 

  230.           <td class="mdname1" valign="top" nowrap>          </td>
    231. 

  231.           <td class="md" valign="top">&nbsp;)&nbsp;</td>
    232. 

  232.           <td class="md" nowrap></td>
    233. 

  233.         </tr>
    234. 

  234.       </table>
    235. 

  235.     </td>
    236. 

  236.   </tr>
    237. 

  237. </table>
    238. 

  238. <table cellspacing="5" cellpadding="0" border="0">
    239. 

  239.   <tr>
    240. 

  240.     <td>
    241. 

  241.       &nbsp;
    242. 

  242.     </td>
    243. 

  243.     <td>
    244. 

  244. 

  245. <p>
    246. 

  246. Pick the first octet of an IP address. 
    247. 

  247. <p>
    248. 

  248. Picks out the first octet of an IP address.<p>
    249. 

  249. Example: <div class="fragment"><pre class="fragment"> <a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> ipaddr;
    250. 

  250.  <a class="code" href="a00153.html#g4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> octet;
    251. 

  251. 

  252.  <a class="code" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(&amp;ipaddr, 1,2,3,4);
    253. 

  253.  octet = <a class="code" href="a00148.html#g22fa0681cd463191d7a01fe85d86996f">uip_ipaddr1</a>(&amp;ipaddr);
    254. 

  254. </pre></div><p>
    255. 

  255. In the example above, the variable "octet" will contain the value 1. <dl compact><dt><b>Examples: </b></dt><dd>
    256. 

  256. <a class="el" href="a00048.html#a28">dhcpc.c</a>.</dl>
    257. 

  257. <p>
    258. 

  258. Definition at line <a class="el" href="a00202.html#l00995">995</a> of file <a class="el" href="a00202.html">uip.h</a>.    </td>
    259. 

  259.   </tr>
    260. 

  260. </table>
    261. 

  261. <a class="anchor" name="gffcd2fbe181e2aaefbf970551c302af5"></a><!-- doxytag: member="uip.h::uip_ipaddr2" ref="gffcd2fbe181e2aaefbf970551c302af5" args="(addr)" --><p>
    262. 

  262. <table class="mdTable" cellpadding="2" cellspacing="0">
    263. 

  263.   <tr>
    264. 

  264.     <td class="mdRow">
    265. 

  265.       <table cellpadding="0" cellspacing="0" border="0">
    266. 

  266.         <tr>
    267. 

  267.           <td class="md" nowrap valign="top">#define uip_ipaddr2          </td>
    268. 

  268.           <td class="md" valign="top">(&nbsp;</td>
    269. 

  269.           <td class="md" nowrap valign="top">addr&nbsp;</td>
    270. 

  270.           <td class="mdname1" valign="top" nowrap>          </td>
    271. 

  271.           <td class="md" valign="top">&nbsp;)&nbsp;</td>
    272. 

  272.           <td class="md" nowrap></td>
    273. 

  273.         </tr>
    274. 

  274.       </table>
    275. 

  275.     </td>
    276. 

  276.   </tr>
    277. 

  277. </table>
    278. 

  278. <table cellspacing="5" cellpadding="0" border="0">
    279. 

  279.   <tr>
    280. 

  280.     <td>
    281. 

  281.       &nbsp;
    282. 

  282.     </td>
    283. 

  283.     <td>
    284. 

  284. 

  285. <p>
    286. 

  286. Pick the second octet of an IP address. 
    287. 

  287. <p>
    288. 

  288. Picks out the second octet of an IP address.<p>
    289. 

  289. Example: <div class="fragment"><pre class="fragment"> <a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> ipaddr;
    290. 

  290.  <a class="code" href="a00153.html#g4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> octet;
    291. 

  291. 

  292.  <a class="code" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(&amp;ipaddr, 1,2,3,4);
    293. 

  293.  octet = <a class="code" href="a00148.html#gffcd2fbe181e2aaefbf970551c302af5">uip_ipaddr2</a>(&amp;ipaddr);
    294. 

  294. </pre></div><p>
    295. 

  295. In the example above, the variable "octet" will contain the value 2. <dl compact><dt><b>Examples: </b></dt><dd>
    296. 

  296. <a class="el" href="a00048.html#a29">dhcpc.c</a>.</dl>
    297. 

  297. <p>
    298. 

  298. Definition at line <a class="el" href="a00202.html#l01015">1015</a> of file <a class="el" href="a00202.html">uip.h</a>.    </td>
    299. 

  299.   </tr>
    300. 

  300. </table>
    301. 

  301. <a class="anchor" name="ge23534479ead15af8ff08ace26a47fb5"></a><!-- doxytag: member="uip.h::uip_ipaddr3" ref="ge23534479ead15af8ff08ace26a47fb5" args="(addr)" --><p>
    302. 

  302. <table class="mdTable" cellpadding="2" cellspacing="0">
    303. 

  303.   <tr>
    304. 

  304.     <td class="mdRow">
    305. 

  305.       <table cellpadding="0" cellspacing="0" border="0">
    306. 

  306.         <tr>
    307. 

  307.           <td class="md" nowrap valign="top">#define uip_ipaddr3          </td>
    308. 

  308.           <td class="md" valign="top">(&nbsp;</td>
    309. 

  309.           <td class="md" nowrap valign="top">addr&nbsp;</td>
    310. 

  310.           <td class="mdname1" valign="top" nowrap>          </td>
    311. 

  311.           <td class="md" valign="top">&nbsp;)&nbsp;</td>
    312. 

  312.           <td class="md" nowrap></td>
    313. 

  313.         </tr>
    314. 

  314.       </table>
    315. 

  315.     </td>
    316. 

  316.   </tr>
    317. 

  317. </table>
    318. 

  318. <table cellspacing="5" cellpadding="0" border="0">
    319. 

  319.   <tr>
    320. 

  320.     <td>
    321. 

  321.       &nbsp;
    322. 

  322.     </td>
    323. 

  323.     <td>
    324. 

  324. 

  325. <p>
    326. 

  326. Pick the third octet of an IP address. 
    327. 

  327. <p>
    328. 

  328. Picks out the third octet of an IP address.<p>
    329. 

  329. Example: <div class="fragment"><pre class="fragment"> <a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> ipaddr;
    330. 

  330.  <a class="code" href="a00153.html#g4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> octet;
    331. 

  331. 

  332.  <a class="code" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(&amp;ipaddr, 1,2,3,4);
    333. 

  333.  octet = <a class="code" href="a00148.html#ge23534479ead15af8ff08ace26a47fb5">uip_ipaddr3</a>(&amp;ipaddr);
    334. 

  334. </pre></div><p>
    335. 

  335. In the example above, the variable "octet" will contain the value 3. <dl compact><dt><b>Examples: </b></dt><dd>
    336. 

  336. <a class="el" href="a00048.html#a30">dhcpc.c</a>.</dl>
    337. 

  337. <p>
    338. 

  338. Definition at line <a class="el" href="a00202.html#l01035">1035</a> of file <a class="el" href="a00202.html">uip.h</a>.    </td>
    339. 

  339.   </tr>
    340. 

  340. </table>
    341. 

  341. <a class="anchor" name="g165b603ec150e26efec7be199c9c2901"></a><!-- doxytag: member="uip.h::uip_ipaddr4" ref="g165b603ec150e26efec7be199c9c2901" args="(addr)" --><p>
    342. 

  342. <table class="mdTable" cellpadding="2" cellspacing="0">
    343. 

  343.   <tr>
    344. 

  344.     <td class="mdRow">
    345. 

  345.       <table cellpadding="0" cellspacing="0" border="0">
    346. 

  346.         <tr>
    347. 

  347.           <td class="md" nowrap valign="top">#define uip_ipaddr4          </td>
    348. 

  348.           <td class="md" valign="top">(&nbsp;</td>
    349. 

  349.           <td class="md" nowrap valign="top">addr&nbsp;</td>
    350. 

  350.           <td class="mdname1" valign="top" nowrap>          </td>
    351. 

  351.           <td class="md" valign="top">&nbsp;)&nbsp;</td>
    352. 

  352.           <td class="md" nowrap></td>
    353. 

  353.         </tr>
    354. 

  354.       </table>
    355. 

  355.     </td>
    356. 

  356.   </tr>
    357. 

  357. </table>
    358. 

  358. <table cellspacing="5" cellpadding="0" border="0">
    359. 

  359.   <tr>
    360. 

  360.     <td>
    361. 

  361.       &nbsp;
    362. 

  362.     </td>
    363. 

  363.     <td>
    364. 

  364. 

  365. <p>
    366. 

  366. Pick the fourth octet of an IP address. 
    367. 

  367. <p>
    368. 

  368. Picks out the fourth octet of an IP address.<p>
    369. 

  369. Example: <div class="fragment"><pre class="fragment"> <a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> ipaddr;
    370. 

  370.  <a class="code" href="a00153.html#g4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> octet;
    371. 

  371. 

  372.  <a class="code" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(&amp;ipaddr, 1,2,3,4);
    373. 

  373.  octet = <a class="code" href="a00148.html#g165b603ec150e26efec7be199c9c2901">uip_ipaddr4</a>(&amp;ipaddr);
    374. 

  374. </pre></div><p>
    375. 

  375. In the example above, the variable "octet" will contain the value 4. <dl compact><dt><b>Examples: </b></dt><dd>
    376. 

  376. <a class="el" href="a00048.html#a31">dhcpc.c</a>.</dl>
    377. 

  377. <p>
    378. 

  378. Definition at line <a class="el" href="a00202.html#l01055">1055</a> of file <a class="el" href="a00202.html">uip.h</a>.    </td>
    379. 

  379.   </tr>
    380. 

  380. </table>
    381. 

  381. <a class="anchor" name="g210e629f7252e4bc8458cbdf260b3318"></a><!-- doxytag: member="uip.h::uip_ipaddr_cmp" ref="g210e629f7252e4bc8458cbdf260b3318" args="(addr1, addr2)" --><p>
    382. 

  382. <table class="mdTable" cellpadding="2" cellspacing="0">
    383. 

  383.   <tr>
    384. 

  384.     <td class="mdRow">
    385. 

  385.       <table cellpadding="0" cellspacing="0" border="0">
    386. 

  386.         <tr>
    387. 

  387.           <td class="md" nowrap valign="top">#define uip_ipaddr_cmp          </td>
    388. 

  388.           <td class="md" valign="top">(&nbsp;</td>
    389. 

  389.           <td class="md" nowrap valign="top">addr1,         <tr>
    390. 

  390.           <td class="md" nowrap align="right"></td>
    391. 

  391.           <td class="md"></td>
    392. 

  392.           <td class="md" nowrap>addr2&nbsp;</td>
    393. 

  393.           <td class="mdname1" valign="top" nowrap>          </td>
    394. 

  394.           <td class="md" valign="top">&nbsp;)&nbsp;</td>
    395. 

  395.           <td class="md" nowrap></td>
    396. 

  396.         </tr>
    397. 

  397.       </table>
    398. 

  398.     </td>
    399. 

  399.   </tr>
    400. 

  400. </table>
    401. 

  401. <table cellspacing="5" cellpadding="0" border="0">
    402. 

  402.   <tr>
    403. 

  403.     <td>
    404. 

  404.       &nbsp;
    405. 

  405.     </td>
    406. 

  406.     <td>
    407. 

  407. 

  408. <p>
    409. 

  409. Compare two IP addresses. 
    410. 

  410. <p>
    411. 

  411. Compares two IP addresses.<p>
    412. 

  412. Example: <div class="fragment"><pre class="fragment"> <a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> ipaddr1, ipaddr2;
    413. 

  413. 

  414.  <a class="code" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(&amp;ipaddr1, 192,16,1,2);
    415. 

  415.  <span class="keywordflow">if</span>(<a class="code" href="a00148.html#g210e629f7252e4bc8458cbdf260b3318">uip_ipaddr_cmp</a>(&amp;ipaddr2, &amp;ipaddr1)) {
    416. 

  416.     printf(<span class="stringliteral">"They are the same"</span>);
    417. 

  417.  }
    418. 

  418. </pre></div><p>
    419. 

  419. <dl compact><dt><b>Parameters:</b></dt><dd>
    420. 

  420.   <table border="0" cellspacing="2" cellpadding="0">
    421. 

  421.     <tr><td valign="top"></td><td valign="top"><em>addr1</em>&nbsp;</td><td>The first IP address. </td></tr>
    422. 

  422.     <tr><td valign="top"></td><td valign="top"><em>addr2</em>&nbsp;</td><td>The second IP address. </td></tr>
    423. 

  423.   </table>
    424. 

  424. </dl>
    425. 

  425. 

  426. <p>
    427. 

  427. Definition at line <a class="el" href="a00202.html#l00911">911</a> of file <a class="el" href="a00202.html">uip.h</a>.
    428. 

  428. <p>
    429. 

  429. Referenced by <a class="el" href="a00204.html#l00278">uip_arp_arpin()</a>, <a class="el" href="a00204.html#l00354">uip_arp_out()</a>, and <a class="el" href="a00201.html#l00682">uip_process()</a>.    </td>
    430. 

  430.   </tr>
    431. 

  431. </table>
    432. 

  432. <a class="anchor" name="g769512993b7b27271909d6daa4748b60"></a><!-- doxytag: member="uip.h::uip_ipaddr_copy" ref="g769512993b7b27271909d6daa4748b60" args="(dest, src)" --><p>
    433. 

  433. <table class="mdTable" cellpadding="2" cellspacing="0">
    434. 

  434.   <tr>
    435. 

  435.     <td class="mdRow">
    436. 

  436.       <table cellpadding="0" cellspacing="0" border="0">
    437. 

  437.         <tr>
    438. 

  438.           <td class="md" nowrap valign="top">#define uip_ipaddr_copy          </td>
    439. 

  439.           <td class="md" valign="top">(&nbsp;</td>
    440. 

  440.           <td class="md" nowrap valign="top">dest,         <tr>
    441. 

  441.           <td class="md" nowrap align="right"></td>
    442. 

  442.           <td class="md"></td>
    443. 

  443.           <td class="md" nowrap>src&nbsp;</td>
    444. 

  444.           <td class="mdname1" valign="top" nowrap>          </td>
    445. 

  445.           <td class="md" valign="top">&nbsp;)&nbsp;</td>
    446. 

  446.           <td class="md" nowrap></td>
    447. 

  447.         </tr>
    448. 

  448.       </table>
    449. 

  449.     </td>
    450. 

  450.   </tr>
    451. 

  451. </table>
    452. 

  452. <table cellspacing="5" cellpadding="0" border="0">
    453. 

  453.   <tr>
    454. 

  454.     <td>
    455. 

  455.       &nbsp;
    456. 

  456.     </td>
    457. 

  457.     <td>
    458. 

  458. 

  459. <p>
    460. 

  460. Copy an IP address to another IP address. 
    461. 

  461. <p>
    462. 

  462. Copies an IP address from one place to another.<p>
    463. 

  463. Example: <div class="fragment"><pre class="fragment"> <a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> ipaddr1, ipaddr2;
    464. 

  464. 

  465.  <a class="code" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(&amp;ipaddr1, 192,16,1,2);
    466. 

  466.  <a class="code" href="a00148.html#g769512993b7b27271909d6daa4748b60">uip_ipaddr_copy</a>(&amp;ipaddr2, &amp;ipaddr1);
    467. 

  467. </pre></div><p>
    468. 

  468. <dl compact><dt><b>Parameters:</b></dt><dd>
    469. 

  469.   <table border="0" cellspacing="2" cellpadding="0">
    470. 

  470.     <tr><td valign="top"></td><td valign="top"><em>dest</em>&nbsp;</td><td>The destination for the copy. </td></tr>
    471. 

  471.     <tr><td valign="top"></td><td valign="top"><em>src</em>&nbsp;</td><td>The source from where to copy. </td></tr>
    472. 

  472.   </table>
    473. 

  473. </dl>
    474. 

  474. <dl compact><dt><b>Examples: </b></dt><dd>
    475. 

  475. <a class="el" href="a00038.html#a187">smtp.c</a>.</dl>
    476. 

  476. <p>
    477. 

  477. Definition at line <a class="el" href="a00202.html#l00882">882</a> of file <a class="el" href="a00202.html">uip.h</a>.
    478. 

  478. <p>
    479. 

  479. Referenced by <a class="el" href="a00174.html#l00216">smtp_configure()</a>, <a class="el" href="a00204.html#l00354">uip_arp_out()</a>, and <a class="el" href="a00201.html#l00682">uip_process()</a>.    </td>
    480. 

  480.   </tr>
    481. 

  481. </table>
    482. 

  482. <a class="anchor" name="g969d7fff37a979737da045e0d538a9bd"></a><!-- doxytag: member="uip.h::uip_ipaddr_mask" ref="g969d7fff37a979737da045e0d538a9bd" args="(dest, src, mask)" --><p>
    483. 

  483. <table class="mdTable" cellpadding="2" cellspacing="0">
    484. 

  484.   <tr>
    485. 

  485.     <td class="mdRow">
    486. 

  486.       <table cellpadding="0" cellspacing="0" border="0">
    487. 

  487.         <tr>
    488. 

  488.           <td class="md" nowrap valign="top">#define uip_ipaddr_mask          </td>
    489. 

  489.           <td class="md" valign="top">(&nbsp;</td>
    490. 

  490.           <td class="md" nowrap valign="top">dest,         <tr>
    491. 

  491.           <td class="md" nowrap align="right"></td>
    492. 

  492.           <td class="md"></td>
    493. 

  493.           <td class="md" nowrap>src,         <tr>
    494. 

  494.           <td class="md" nowrap align="right"></td>
    495. 

  495.           <td class="md"></td>
    496. 

  496.           <td class="md" nowrap>mask&nbsp;</td>
    497. 

  497.           <td class="mdname1" valign="top" nowrap>          </td>
    498. 

  498.           <td class="md" valign="top">&nbsp;)&nbsp;</td>
    499. 

  499.           <td class="md" nowrap></td>
    500. 

  500.         </tr>
    501. 

  501.       </table>
    502. 

  502.     </td>
    503. 

  503.   </tr>
    504. 

  504. </table>
    505. 

  505. <table cellspacing="5" cellpadding="0" border="0">
    506. 

  506.   <tr>
    507. 

  507.     <td>
    508. 

  508.       &nbsp;
    509. 

  509.     </td>
    510. 

  510.     <td>
    511. 

  511. 

  512. <p>
    513. 

  513. Mask out the network part of an IP address. 
    514. 

  514. <p>
    515. 

  515. Masks out the network part of an IP address, given the address and the netmask.<p>
    516. 

  516. Example: <div class="fragment"><pre class="fragment"> <a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> ipaddr1, ipaddr2, netmask;
    517. 

  517. 

  518.  <a class="code" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(&amp;ipaddr1, 192,16,1,2);
    519. 

  519.  <a class="code" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(&amp;netmask, 255,255,255,0);
    520. 

  520.  <a class="code" href="a00148.html#g969d7fff37a979737da045e0d538a9bd">uip_ipaddr_mask</a>(&amp;ipaddr2, &amp;ipaddr1, &amp;netmask);
    521. 

  521. </pre></div><p>
    522. 

  522. In the example above, the variable "ipaddr2" will contain the IP address 192.168.1.0.<p>
    523. 

  523. <dl compact><dt><b>Parameters:</b></dt><dd>
    524. 

  524.   <table border="0" cellspacing="2" cellpadding="0">
    525. 

  525.     <tr><td valign="top"></td><td valign="top"><em>dest</em>&nbsp;</td><td>Where the result is to be placed. </td></tr>
    526. 

  526.     <tr><td valign="top"></td><td valign="top"><em>src</em>&nbsp;</td><td>The IP address. </td></tr>
    527. 

  527.     <tr><td valign="top"></td><td valign="top"><em>mask</em>&nbsp;</td><td>The netmask. </td></tr>
    528. 

  528.   </table>
    529. 

  529. </dl>
    530. 

  530. 

  531. <p>
    532. 

  532. Definition at line <a class="el" href="a00202.html#l00972">972</a> of file <a class="el" href="a00202.html">uip.h</a>.    </td>
    533. 

  533.   </tr>
    534. 

  534. </table>
    535. 

  535. <a class="anchor" name="g6b16e0bac41821c1fbe0c267071642f0"></a><!-- doxytag: member="uip.h::uip_ipaddr_maskcmp" ref="g6b16e0bac41821c1fbe0c267071642f0" args="(addr1, addr2, mask)" --><p>
    536. 

  536. <table class="mdTable" cellpadding="2" cellspacing="0">
    537. 

  537.   <tr>
    538. 

  538.     <td class="mdRow">
    539. 

  539.       <table cellpadding="0" cellspacing="0" border="0">
    540. 

  540.         <tr>
    541. 

  541.           <td class="md" nowrap valign="top">#define uip_ipaddr_maskcmp          </td>
    542. 

  542.           <td class="md" valign="top">(&nbsp;</td>
    543. 

  543.           <td class="md" nowrap valign="top">addr1,         <tr>
    544. 

  544.           <td class="md" nowrap align="right"></td>
    545. 

  545.           <td class="md"></td>
    546. 

  546.           <td class="md" nowrap>addr2,         <tr>
    547. 

  547.           <td class="md" nowrap align="right"></td>
    548. 

  548.           <td class="md"></td>
    549. 

  549.           <td class="md" nowrap>mask&nbsp;</td>
    550. 

  550.           <td class="mdname1" valign="top" nowrap>          </td>
    551. 

  551.           <td class="md" valign="top">&nbsp;)&nbsp;</td>
    552. 

  552.           <td class="md" nowrap></td>
    553. 

  553.         </tr>
    554. 

  554.       </table>
    555. 

  555.     </td>
    556. 

  556.   </tr>
    557. 

  557. </table>
    558. 

  558. <table cellspacing="5" cellpadding="0" border="0">
    559. 

  559.   <tr>
    560. 

  560.     <td>
    561. 

  561.       &nbsp;
    562. 

  562.     </td>
    563. 

  563.     <td>
    564. 

  564. 

  565. <p>
    566. 

  566. Compare two IP addresses with netmasks. 
    567. 

  567. <p>
    568. 

  568. Compares two IP addresses with netmasks. The masks are used to mask out the bits that are to be compared.<p>
    569. 

  569. Example: <div class="fragment"><pre class="fragment"> <a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> ipaddr1, ipaddr2, mask;
    570. 

  570. 

  571.  <a class="code" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(&amp;mask, 255,255,255,0);
    572. 

  572.  <a class="code" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(&amp;ipaddr1, 192,16,1,2);
    573. 

  573.  <a class="code" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(&amp;ipaddr2, 192,16,1,3);
    574. 

  574.  <span class="keywordflow">if</span>(<a class="code" href="a00148.html#g6b16e0bac41821c1fbe0c267071642f0">uip_ipaddr_maskcmp</a>(&amp;ipaddr1, &amp;ipaddr2, &amp;mask)) {
    575. 

  575.     printf(<span class="stringliteral">"They are the same"</span>);
    576. 

  576.  }
    577. 

  577. </pre></div><p>
    578. 

  578. <dl compact><dt><b>Parameters:</b></dt><dd>
    579. 

  579.   <table border="0" cellspacing="2" cellpadding="0">
    580. 

  580.     <tr><td valign="top"></td><td valign="top"><em>addr1</em>&nbsp;</td><td>The first IP address. </td></tr>
    581. 

  581.     <tr><td valign="top"></td><td valign="top"><em>addr2</em>&nbsp;</td><td>The second IP address. </td></tr>
    582. 

  582.     <tr><td valign="top"></td><td valign="top"><em>mask</em>&nbsp;</td><td>The netmask. </td></tr>
    583. 

  583.   </table>
    584. 

  584. </dl>
    585. 

  585. 

  586. <p>
    587. 

  587. Definition at line <a class="el" href="a00202.html#l00941">941</a> of file <a class="el" href="a00202.html">uip.h</a>.
    588. 

  588. <p>
    589. 

  589. Referenced by <a class="el" href="a00204.html#l00354">uip_arp_out()</a>.    </td>
    590. 

  590.   </tr>
    591. 

  591. </table>
    592. 

  592. <hr><h2>Function Documentation</h2>
    593. 

  593. <a class="anchor" name="ga22b04cac8cf283ca12f028578bebc06"></a><!-- doxytag: member="uip.h::htons" ref="ga22b04cac8cf283ca12f028578bebc06" args="(u16_t val)" --><p>
    594. 

  594. <table class="mdTable" cellpadding="2" cellspacing="0">
    595. 

  595.   <tr>
    596. 

  596.     <td class="mdRow">
    597. 

  597.       <table cellpadding="0" cellspacing="0" border="0">
    598. 

  598.         <tr>
    599. 

  599.           <td class="md" nowrap valign="top"><a class="el" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> htons           </td>
    600. 

  600.           <td class="md" valign="top">(&nbsp;</td>
    601. 

  601.           <td class="md" nowrap valign="top"><a class="el" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a>&nbsp;</td>
    602. 

  602.           <td class="mdname1" valign="top" nowrap> <em>val</em>          </td>
    603. 

  603.           <td class="md" valign="top">&nbsp;)&nbsp;</td>
    604. 

  604.           <td class="md" nowrap></td>
    605. 

  605.         </tr>
    606. 

  606.       </table>
    607. 

  607.     </td>
    608. 

  608.   </tr>
    609. 

  609. </table>
    610. 

  610. <table cellspacing="5" cellpadding="0" border="0">
    611. 

  611.   <tr>
    612. 

  612.     <td>
    613. 

  613.       &nbsp;
    614. 

  614.     </td>
    615. 

  615.     <td>
    616. 

  616. 

  617. <p>
    618. 

  618. Convert 16-bit quantity from host byte order to network byte order. 
    619. 

  619. <p>
    620. 

  620. This function is primarily used for converting variables from host byte order to network byte order. For converting constants to network byte order, use the <a class="el" href="a00148.html#g69a7a4951ff21b302267532c21ee78fc">HTONS()</a> macro instead. <dl compact><dt><b>Examples: </b></dt><dd>
    621. 

  621. <a class="el" href="a00042.html#a70">example-mainloop-with-arp.c</a>, <a class="el" href="a00046.html#a137">resolv.c</a>, and <a class="el" href="a00040.html#a274">webclient.c</a>.</dl>
    622. 

  622. <p>
    623. 

  623. Definition at line <a class="el" href="a00201.html#l01882">1882</a> of file <a class="el" href="a00201.html">uip.c</a>.
    624. 

  624. <p>
    625. 

  625. References <a class="el" href="a00202.html#l01070">HTONS</a>.
    626. 

  626. <p>
    627. 

  627. Referenced by <a class="el" href="a00201.html#l00311">uip_chksum()</a>, <a class="el" href="a00201.html#l00407">uip_connect()</a>, <a class="el" href="a00201.html#l00318">uip_ipchksum()</a>, <a class="el" href="a00201.html#l00473">uip_udp_new()</a>, and <a class="el" href="a00180.html#l00140">webclient_get()</a>.    </td>
    628. 

  628.   </tr>
    629. 

  629. </table>
    630. 

  630. <hr size="1"><address style="align: right;"><small>Generated on Mon Jun 12 10:23:02 2006 for uIP 1.0 by&nbsp;
    631. 

  631. <a href="http://www.doxygen.org/index.html">
    632. 

  632. <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address>
    633. 

  633. </body>
    634. 

  634. </html>
    635.