104 lines
3.5 KiB
HTML
104 lines
3.5 KiB
HTML
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- Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
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- Copyright (C) 2000, 2001 Internet Software Consortium.
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- Permission to use, copy, modify, and distribute this software for any
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<!-- $Id: lwres_inetntop.html,v 1.5.2.1.4.12 2006/06/29 13:02:31 marka Exp $ -->
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>lwres_inetntop</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.70.1">
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</head>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en">
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<a name="id2482688"></a><div class="titlepage"></div>
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<div class="refnamediv">
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<h2>Name</h2>
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<p>lwres_net_ntop — lightweight resolver IP address presentation</p>
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</div>
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<div class="refsynopsisdiv">
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<h2>Synopsis</h2>
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<div class="funcsynopsis">
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<pre class="funcsynopsisinfo">#include <lwres/net.h></pre>
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<table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0">
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<tr>
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<td><code class="funcdef">
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const char *
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<b class="fsfunc">lwres_net_ntop</b>(</code></td>
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<td> </td>
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<td>, </td>
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</tr>
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<tr>
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<td> </td>
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<td> </td>
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<td>, </td>
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</tr>
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<tr>
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<td> </td>
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<td> </td>
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<td>, </td>
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</tr>
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<tr>
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<td> </td>
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<td> </td>
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<td>, </td>
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</tr>
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<tr>
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<td> </td>
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<td> </td>
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<td>
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<code>)</code>;</td>
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</tr>
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</table>
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</div>
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</div>
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<div class="refsect1" lang="en">
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<a name="id2549419"></a><h2>DESCRIPTION</h2>
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<p>
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<code class="function">lwres_net_ntop()</code> converts an IP address of
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protocol family <em class="parameter"><code>af</code></em> — IPv4 or IPv6 —
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at location <em class="parameter"><code>src</code></em> from network format to its
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conventional representation as a string. For IPv4 addresses, that
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string would be a dotted-decimal. An IPv6 address would be
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represented in colon notation as described in RFC1884.
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</p>
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<p>
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The generated string is copied to <em class="parameter"><code>dst</code></em> provided
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<em class="parameter"><code>size</code></em> indicates it is long enough to store the
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ASCII representation of the address.
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</p>
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</div>
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<div class="refsect1" lang="en">
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<a name="id2549452"></a><h2>RETURN VALUES</h2>
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<p>
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If successful, the function returns <em class="parameter"><code>dst</code></em>:
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a pointer to a string containing the presentation format of the
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address. <code class="function">lwres_net_ntop()</code> returns
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<span class="type">NULL</span> and sets the global variable
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<code class="constant">errno</code> to <span class="errorcode">EAFNOSUPPORT</span> if
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the protocol family given in <em class="parameter"><code>af</code></em> is not
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supported.
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</p>
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</div>
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<div class="refsect1" lang="en">
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<a name="id2549483"></a><h2>SEE ALSO</h2>
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<p>
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<span class="citerefentry"><span class="refentrytitle">RFC1884</span></span>,
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<span class="citerefentry"><span class="refentrytitle">inet_ntop</span>(3)</span>,
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<span class="citerefentry"><span class="refentrytitle">errno</span>(3)</span>.
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</p>
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</div>
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</div></body>
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</html>
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