lwres_inetntop.html revision 75c0816e8295e180f4bc7f10db3d0d880383bc1c
5cd4555ad444fd391002ae32450572054369fd42Rob Austein - Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein - Copyright (C) 2000, 2001 Internet Software Consortium.
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689023771c563d8660e45d439a207e06e96de28fMark Andrews<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en">
689023771c563d8660e45d439a207e06e96de28fMark Andrews<a name="id2456836"></a><div class="titlepage"></div>
689023771c563d8660e45d439a207e06e96de28fMark Andrews<p>lwres_net_ntop — lightweight resolver IP address presentation</p>
689023771c563d8660e45d439a207e06e96de28fMark Andrews<pre class="funcsynopsisinfo">#include <lwres/net.h></pre>
689023771c563d8660e45d439a207e06e96de28fMark Andrews<table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0">
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein<b class="fsfunc">lwres_net_ntop</b>(</code></td>
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein<var class="pdparam">size</var><code>)</code>;</td>
689023771c563d8660e45d439a207e06e96de28fMark Andrews<p><code class="function">lwres_net_ntop()</code>
689023771c563d8660e45d439a207e06e96de28fMark Andrews converts an IP address of protocol family
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein <em class="parameter"><code>af</code></em> — IPv4 or IPv6 — at
689023771c563d8660e45d439a207e06e96de28fMark Andrews location <em class="parameter"><code>src</code></em> from network format to its
689023771c563d8660e45d439a207e06e96de28fMark Andrews conventional representation as a string. For IPv4 addresses,
689023771c563d8660e45d439a207e06e96de28fMark Andrews that string would be a dotted-decimal. An IPv6 address would be
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein represented in colon notation as described in RFC1884.
689023771c563d8660e45d439a207e06e96de28fMark Andrews The generated string is copied to <em class="parameter"><code>dst</code></em>
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein <em class="parameter"><code>size</code></em> indicates it is long enough to
689023771c563d8660e45d439a207e06e96de28fMark Andrews ASCII representation of the address.
689023771c563d8660e45d439a207e06e96de28fMark Andrews If successful, the function returns <em class="parameter"><code>dst</code></em>:
689023771c563d8660e45d439a207e06e96de28fMark Andrews a pointer to a string containing the presentation format of the
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein address. <code class="function">lwres_net_ntop()</code> returns
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein <span class="type">NULL</span> and sets the global variable
689023771c563d8660e45d439a207e06e96de28fMark Andrews <code class="constant">errno</code> to <span class="errorcode">EAFNOSUPPORT</span> if
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein the protocol family given in <em class="parameter"><code>af</code></em> is
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein<p><span class="citerefentry"><span class="refentrytitle">RFC1884</span></span>,
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein <span class="citerefentry"><span class="refentrytitle">inet_ntop</span>(3)</span>,
689023771c563d8660e45d439a207e06e96de28fMark Andrews <span class="citerefentry"><span class="refentrytitle">errno</span>(3)</span>.