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60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en">
794b79e6bbc3f5db1ea6ae154d739b9f1ef1a375Tinderbox User<a name="id2476274"></a><div class="titlepage"></div>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<p>lwres_net_ntop — lightweight resolver IP address presentation</p>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<pre class="funcsynopsisinfo">#include <lwres/net.h></pre>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0">
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<b class="fsfunc">lwres_net_ntop</b>(</code></td>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<var class="pdparam">size</var><code>)</code>;</td>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<p><code class="function">lwres_net_ntop()</code>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein converts an IP address of protocol family
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <em class="parameter"><code>af</code></em> — IPv4 or IPv6 — at
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein location <em class="parameter"><code>src</code></em> from network format to its
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein conventional representation as a string. For IPv4 addresses,
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein that string would be a dotted-decimal. An IPv6 address would be
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein represented in colon notation as described in RFC1884.
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein The generated string is copied to <em class="parameter"><code>dst</code></em>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <em class="parameter"><code>size</code></em> indicates it is long enough to
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein ASCII representation of the address.
794b79e6bbc3f5db1ea6ae154d739b9f1ef1a375Tinderbox User<a name="id2543414"></a><h2>RETURN VALUES</h2>
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein If successful, the function returns <em class="parameter"><code>dst</code></em>:
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein a pointer to a string containing the presentation format of the
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein address. <code class="function">lwres_net_ntop()</code> returns
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <span class="type">NULL</span> and sets the global variable
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <code class="constant">errno</code> to <span class="errorcode">EAFNOSUPPORT</span> if
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein the protocol family given in <em class="parameter"><code>af</code></em> is
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein<p><span class="citerefentry"><span class="refentrytitle">RFC1884</span></span>,
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <span class="citerefentry"><span class="refentrytitle">inet_ntop</span>(3)</span>,
60e5e10f8d2e2b0c41e8abad38cacd867caa6ab2Rob Austein <span class="citerefentry"><span class="refentrytitle">errno</span>(3)</span>.