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7<title>GetAddrInfo</title>
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10<h1><CODE>nn::socket::GetAddrInfo</CODE> Function</h1>
11<h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">
14s32 GetAddrInfo(
15     const char8 * nodeName,
16     const char8 * servName,
17     const <a href="../../nn/socket/AddrInfo/Overview.html">AddrInfo</a> * hints,
18     <a href="../../nn/socket/AddrInfo/Overview.html">AddrInfo</a> ** res
19);
20</pre>
21    </div>
22<h2>Arguments</h2>
23    <div class="section">
24      <table class="arguments">
25        <thead>
26          <tr>
27            <td width="15" />
28<th>Name</th>
29<td>Description</td>
30          </tr>
31        </thead>
32        <tr>
33<td>in</td>
34<th>nodeName</th>
35<td>Specifies a pointer to a host name string or to a string that represents the IPv4 host address in dot-decimal notation. The string must be <CODE>NULL</CODE>-terminated.</td>
36        </tr>
37        <tr>
38<td>in</td>
39<th>servName</th>
40<td>Specifies a pointer to a service name string or to a string that represents the port number in numeric form. The string must be <CODE>NULL</CODE>-terminated.</td>
41        </tr>
42        <tr>
43<td>in</td>
44<th>hints</th>
45<td>Specifies a pointer to the <a href="../../nn/socket/AddrInfo/Overview.html"><CODE>AddrInfo</CODE></a> structure that sets search options.</td>
46        </tr>
47        <tr>
48<td>in</td>
49<th>res</th>
50<td>Specifies a pointer to a variable that itself has a pointer to an <a href="../../nn/socket/AddrInfo/Overview.html"><CODE>AddrInfo</CODE></a> structure with the search results.</td>
51        </tr> </table>
52    </div>
53<h2>Return Values</h2>
54<div class="section">Returns <CODE>0</CODE> if successful. </div>
55<h2>Description</h2>
56    <div class="section">
57<p>This function searches for host information based on the host name and service name of the host.</p><p>Since this function might query the DNS server, it blocks until the search is complete. A new buffer with the search results is allocated from the work region specified by the <a href="../../nn/socket/Initialize.html"><CODE>Initialize</CODE></a> function. Use the <a href="../../nn/socket/FreeAddrInfo.html"><CODE>FreeAddrInfo</CODE></a> function to free the search results.</p><!-- write here --></div>
58<h2>See Also</h2>
59    <div class="section">
60<p class="reference"><a href="../../nn/socket/FreeAddrInfo.html"><CODE>FreeAddrInfo</CODE></a><br /> </p>
61    </div>
62<h2>Revision History</h2>
63    <div class="section">
64      <dl class="history">
65        <dt>2010/06/14</dt>
66<dd>Initial version.<br />
67        </dd>
68      </dl>
69    </div>
70  <hr><p>CONFIDENTIAL</p></body>
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