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7<title>InetNtoP</title>
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10<h1><CODE>nn::socket::InetNtoP</CODE> Function</h1>
11<h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">
14const char * InetNtoP(
15     int af,
16     const void * src,
17     char * dst,
18     unsigned len
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>af</th>
35<td>Specifies the address family of the host address to be converted.<itemizedlist><listitem><para><CODE>AF_INET</CODE></para></listitem></itemizedlist></td>
36        </tr>
37        <tr>
38<td>in</td>
39<th>src</th>
40<td>Specifies a pointer to a structure holding a host address in numeric format. When using <CODE>AF_INET</CODE>, specify a pointer to an <CODE>InAddr</CODE> structure.</td>
41        </tr>
42        <tr>
43<td>in</td>
44<th>dst</th>
45<td>Specifies a pointer to the buffer that gets the string in standard text format. When using <CODE>AF_INET</CODE>, the standard text format is dot-decimal notation.</td>
46        </tr>
47        <tr>
48<td>in</td>
49<th>len</th>
50<td>Specifies the size in bytes of the buffer specified in <SPAN class="argument">dst</SPAN>. When using <CODE>AF_INET</CODE>, prepare a buffer sized to the maximum length of an IPv4 host address in dot-decimal notation (<CODE>INET_ADDRSTRLEN</CODE>).</td>
51        </tr> </table>
52    </div>
53<h2>Return Values</h2>
54<div class="section">On success, returns a pointer to the string resulting from conversion. The string instance is the buffer specified in <SPAN class="argument">dst</SPAN>. On failure, returns <CODE>NULL</CODE>. </div>
55<h2>Description</h2>
56    <div class="section">
57<p>Converts a host address given in numeric format to a string representing the address in standard text format.</p><p>Can be used even if <a href="../../nn/socket/Initialize.html"><CODE>Initialize</CODE></a> has not been called.</p><!-- write here --></div>
58<h2>See Also</h2>
59    <div class="section">
60      <p class="reference">
61            <br /> </p>
62    </div>
63<h2>Revision History</h2>
64    <div class="section">
65      <dl class="history">
66        <dt>2010/06/14</dt>
67<dd>Initial version.<br />
68        </dd>
69      </dl>
70    </div>
71  <hr><p>CONFIDENTIAL</p></body>
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