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7<title>GetHostByAddr</title>
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10<h1><CODE>nn::socket::GetHostByAddr</CODE> Function</h1>
11<h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">
14<a href="../../nn/socket/HostEnt/Overview.html">HostEnt</a> * GetHostByAddr(
15     const void * addr,
16     s32 len,
17     s32 type
18);
19</pre>
20    </div>
21<h2>Arguments</h2>
22    <div class="section">
23      <table class="arguments">
24        <thead>
25          <tr>
26            <td width="15" />
27<th>Name</th>
28<td>Description</td>
29          </tr>
30        </thead>
31        <tr>
32<td>in</td>
33<th>addr</th>
34<td>Specifies a pointer to a buffer <SPAN class="argument">len</SPAN> bytes in length, which holds the host address in numeric format.</td>
35        </tr>
36        <tr>
37<td>in</td>
38<th>len</th>
39<td>Specifies the length in bytes of the host address in numeric format. When using <CODE>AF_INET</CODE>, specify <CODE>IP_ALEN</CODE>.</td>
40        </tr>
41        <tr>
42<td>in</td>
43<th>type</th>
44<td>Specifies the address family of the host address.<span> <CODE>AF_INET</CODE></para></listitem></itemizedlist></td>
45        </tr> </table>
46    </div>
47<h2>Return Values</h2>
48<div class="section">If successful, returns a pointer to a <a href="../../nn/socket/HostEnt.html"><CODE>HostEnt</CODE></a> structure containing the host's information. The structure instance is a library internal buffer. </div>
49<h2>Description</h2>
50    <div class="section">
51<p>Searches for host information based on the host address.</p><p>Since this function might query the DNS server, it blocks until the search is complete.</p><!-- write here --></div>
52<h2>See Also</h2>
53    <div class="section">
54<p class="reference"><a href="../../nn/socket/GetHostByName.html"><CODE>GetHostByName</CODE></a>, <a href="../../nn/socket/GetNameInfo.html"><CODE>GetNameInfo</CODE></a><br /> </p>
55    </div>
56<h2>Revision History</h2>
57    <div class="section">
58      <dl class="history">
59        <dt>2010/06/14</dt>
60<dd>Initial version.<br />
61        </dd>
62      </dl>
63    </div>
64  <hr><p>CONFIDENTIAL</p></body>
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