134 lines
3.4 KiB
HTML
134 lines
3.4 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta name="Copyright" content="Copyright (c) 2006 by IBM Corporation">
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<title>inet_ntoa_r()--Translate IP Address to Dotted Decimal Format</title>
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<!-- Begin Header Records -->
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<!-- Unix8 SCRIPT J converted by B2H R4.1 (346) (CMS) by V2KEA304 -->
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<!-- at RCHVMW2 on 17 Feb 1999 at 11:05:09 -->
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<!--End Header Records -->
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<!-- Edited by Kersten Feb 02 -->
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<link rel="stylesheet" type="text/css" href="../rzahg/ic.css">
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</head>
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<body>
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<a name="Top_Of_Page"></a>
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<!-- Java sync-link -->
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<script language="Javascript" src="../rzahg/synch.js" type="text/javascript">
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</script>
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<h2>inet_ntoa_r()--Translate IP Address to Dotted Decimal Format</h2>
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<div class="box" style="width: 60%;">
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<br>
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Syntax<br>
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<pre>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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int inet_ntoa_r(struct in_addr <em>internet_address</em>,
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char *<em>output_buffer</em>,
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int <em>output_buffer_length</em>)
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</pre>
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Service Program Name: Name QSOSRV2<br>
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<!-- iddvc RMBR -->
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<br>
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Default Public Authority: *USE<br>
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<!-- iddvc RMBR -->
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<br>
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Threadsafe: Yes<br>
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<!-- iddvc RMBR -->
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<br>
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</div>
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<p>The <em>inet_ntoa_r()</em> function is used to translate an Internet address
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from a 32-bit IP address to dotted decimal format.</p>
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<br>
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<!-- Please NOTE: DO NOT DELETE THIS SECTION if this API has no authorities and locks. -->
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<!-- Instead, use the commented out coding below to indicate NONE. -->
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<h3>Authorities and Locks</h3>
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<!-- Use this if there are no authorities and locks. -->
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<p>None.</p>
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<br>
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<h3>Parameters</h3>
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<dl>
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<dt><strong>struct in_addr <em>internet_address</em></strong>
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(input) </dt>
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<dd>The 32-bit IP address that is to be converted to dotted decimal format.<br>
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<br>
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</dd>
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<dt><strong>char * <em>output_buffer</em></strong>
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(input/output) </dt>
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<dd>The pointer to the buffer that contains the dotted decimal format.<br>
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<br>
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</dd>
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<dt><strong>int <em>output_buffer_length</em></strong> (input) </dt>
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<dd>The length of the output buffer (length should be at least 16).</dd>
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</dl>
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<br>
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<h3>Return Value</h3>
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<p>The <em>inet_ntoa_r()</em> function returns:</p>
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<ul>
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<li>-1 (unsuccessful call)</li>
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<li>0 (successful call)</li>
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</ul>
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<br>
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<h3>Error Conditions</h3>
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<p>When the <em>inet_ntoa_r()</em> function fails, <em>errno</em> can be set
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to:</p>
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<dl>
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<dt><em>[EINVAL]</em></dt>
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<dd>Parameter is not valid.</p>
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<p>This error code indicates one of the following:</p>
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<ul>
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<li>The <em>output_buffer_length</em> length is less than 16.</li>
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</ul></dd>
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</dl>
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<br>
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<hr>
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API introduced: V4R2
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<hr>
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<center>
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<table cellpadding="2" cellspacing="2" align="center">
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<tr align="center">
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<td valign="middle" align="center"><a href="#Top_Of_Page">Top</a> | <a href=
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"unix.htm">UNIX-Type APIs</a> | <a href="aplist.htm">APIs by category</a> </td>
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</tr>
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</table></center>
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</body>
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</html>
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