a00148.html

uip-1.0,give everyone who want.

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<dl compact><dt><b>Examples: </b></dt><dd>
<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>
<p>
Definition at line <a class="el" href="a00202.html#l00840">840</a> of file <a class="el" href="a00202.html">uip.h</a>.    </td>
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<a class="anchor" name="g22fa0681cd463191d7a01fe85d86996f"></a><!-- doxytag: member="uip.h::uip_ipaddr1" ref="g22fa0681cd463191d7a01fe85d86996f" args="(addr)" --><p>
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          <td class="md" nowrap valign="top">#define uip_ipaddr1          </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">addr&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
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<p>
Pick the first octet of an IP address. 
<p>
Picks out the first octet of an IP address.<p>
Example: <div class="fragment"><pre class="fragment"> <a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> ipaddr;
 <a class="code" href="a00153.html#g4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> octet;

 <a class="code" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(&amp;ipaddr, 1,2,3,4);
 octet = <a class="code" href="a00148.html#g22fa0681cd463191d7a01fe85d86996f">uip_ipaddr1</a>(&amp;ipaddr);
</pre></div><p>
In the example above, the variable "octet" will contain the value 1. <dl compact><dt><b>Examples: </b></dt><dd>
<a class="el" href="a00048.html#a28">dhcpc.c</a>.</dl>
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Definition at line <a class="el" href="a00202.html#l00995">995</a> of file <a class="el" href="a00202.html">uip.h</a>.    </td>
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<a class="anchor" name="gffcd2fbe181e2aaefbf970551c302af5"></a><!-- doxytag: member="uip.h::uip_ipaddr2" ref="gffcd2fbe181e2aaefbf970551c302af5" args="(addr)" --><p>
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          <td class="md" nowrap valign="top">#define uip_ipaddr2          </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">addr&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
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<p>
Pick the second octet of an IP address. 
<p>
Picks out the second octet of an IP address.<p>
Example: <div class="fragment"><pre class="fragment"> <a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> ipaddr;
 <a class="code" href="a00153.html#g4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> octet;

 <a class="code" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(&amp;ipaddr, 1,2,3,4);
 octet = <a class="code" href="a00148.html#gffcd2fbe181e2aaefbf970551c302af5">uip_ipaddr2</a>(&amp;ipaddr);
</pre></div><p>
In the example above, the variable "octet" will contain the value 2. <dl compact><dt><b>Examples: </b></dt><dd>
<a class="el" href="a00048.html#a29">dhcpc.c</a>.</dl>
<p>
Definition at line <a class="el" href="a00202.html#l01015">1015</a> of file <a class="el" href="a00202.html">uip.h</a>.    </td>
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<a class="anchor" name="ge23534479ead15af8ff08ace26a47fb5"></a><!-- doxytag: member="uip.h::uip_ipaddr3" ref="ge23534479ead15af8ff08ace26a47fb5" args="(addr)" --><p>
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          <td class="md" nowrap valign="top">#define uip_ipaddr3          </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">addr&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
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<p>
Pick the third octet of an IP address. 
<p>
Picks out the third octet of an IP address.<p>
Example: <div class="fragment"><pre class="fragment"> <a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> ipaddr;
 <a class="code" href="a00153.html#g4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> octet;

 <a class="code" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(&amp;ipaddr, 1,2,3,4);
 octet = <a class="code" href="a00148.html#ge23534479ead15af8ff08ace26a47fb5">uip_ipaddr3</a>(&amp;ipaddr);
</pre></div><p>
In the example above, the variable "octet" will contain the value 3. <dl compact><dt><b>Examples: </b></dt><dd>
<a class="el" href="a00048.html#a30">dhcpc.c</a>.</dl>
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Definition at line <a class="el" href="a00202.html#l01035">1035</a> of file <a class="el" href="a00202.html">uip.h</a>.    </td>
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<a class="anchor" name="g165b603ec150e26efec7be199c9c2901"></a><!-- doxytag: member="uip.h::uip_ipaddr4" ref="g165b603ec150e26efec7be199c9c2901" args="(addr)" --><p>
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          <td class="md" nowrap valign="top">#define uip_ipaddr4          </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">addr&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
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<p>
Pick the fourth octet of an IP address. 
<p>
Picks out the fourth octet of an IP address.<p>
Example: <div class="fragment"><pre class="fragment"> <a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> ipaddr;
 <a class="code" href="a00153.html#g4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> octet;

 <a class="code" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(&amp;ipaddr, 1,2,3,4);
 octet = <a class="code" href="a00148.html#g165b603ec150e26efec7be199c9c2901">uip_ipaddr4</a>(&amp;ipaddr);
</pre></div><p>
In the example above, the variable "octet" will contain the value 4. <dl compact><dt><b>Examples: </b></dt><dd>
<a class="el" href="a00048.html#a31">dhcpc.c</a>.</dl>
<p>
Definition at line <a class="el" href="a00202.html#l01055">1055</a> of file <a class="el" href="a00202.html">uip.h</a>.    </td>
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<a class="anchor" name="g210e629f7252e4bc8458cbdf260b3318"></a><!-- doxytag: member="uip.h::uip_ipaddr_cmp" ref="g210e629f7252e4bc8458cbdf260b3318" args="(addr1, addr2)" --><p>
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          <td class="md" nowrap valign="top">#define uip_ipaddr_cmp          </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">addr1,         <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>addr2&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
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<p>
Compare two IP addresses. 
<p>
Compares two IP addresses.<p>
Example: <div class="fragment"><pre class="fragment"> <a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> ipaddr1, ipaddr2;

 <a class="code" href="a00148.html#g87f0b54ade0d159fba495089128a4932">uip_ipaddr</a>(&amp;ipaddr1, 192,16,1,2);
 <span class="keywordflow">if</span>(<a class="code" href="a00148.html#g210e629f7252e4bc8458cbdf260b3318">uip_ipaddr_cmp</a>(&amp;ipaddr2, &amp;ipaddr1)) {
    printf(<span class="stringliteral">"They are the same"</span>);
 }
</pre></div><p>
<dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>addr1</em>&nbsp;</td><td>The first IP address. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>addr2</em>&nbsp;</td><td>The second IP address. </td></tr>
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