lwres_gai_strerror.html revision 4a14ce5ba00ab7bc55c99ffdcf59c7a4ab902721
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d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<!-- $Id: lwres_gai_strerror.html,v 1.25 2009/07/11 01:12:46 tbox Exp $ -->
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d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<a name="id2476275"></a><div class="titlepage"></div>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<p>lwres_gai_strerror — print suitable error string</p>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<pre class="funcsynopsisinfo">#include <lwres/netdb.h></pre>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"><tr>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<b class="fsfunc">gai_strerror</b>(</code></td>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<var class="pdparam">ecode</var><code>)</code>;</td>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<a name="id2543361"></a><h2>DESCRIPTION</h2>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<p><code class="function">lwres_gai_strerror()</code>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy returns an error message corresponding to an error code returned by
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy <code class="function">getaddrinfo()</code>.
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy The following error codes and their meaning are defined in
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy <code class="filename">include/lwres/netdb.h</code>.
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<dt><span class="term"><span class="errorcode">EAI_ADDRFAMILY</span></span></dt>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy address family for hostname not supported
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<dt><span class="term"><span class="errorcode">EAI_AGAIN</span></span></dt>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy temporary failure in name resolution
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<dt><span class="term"><span class="errorcode">EAI_BADFLAGS</span></span></dt>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy invalid value for
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<dt><span class="term"><span class="errorcode">EAI_FAIL</span></span></dt>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy non-recoverable failure in name resolution
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<dt><span class="term"><span class="errorcode">EAI_FAMILY</span></span></dt>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<dd><p><code class="constant">ai_family</code> not supported
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<dt><span class="term"><span class="errorcode">EAI_MEMORY</span></span></dt>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy memory allocation failure
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<dt><span class="term"><span class="errorcode">EAI_NODATA</span></span></dt>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy no address associated with hostname
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<dt><span class="term"><span class="errorcode">EAI_NONAME</span></span></dt>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy hostname or servname not provided, or not known
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<dt><span class="term"><span class="errorcode">EAI_SERVICE</span></span></dt>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy servname not supported for <code class="constant">ai_socktype</code>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<dt><span class="term"><span class="errorcode">EAI_SOCKTYPE</span></span></dt>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<dd><p><code class="constant">ai_socktype</code> not supported
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<dt><span class="term"><span class="errorcode">EAI_SYSTEM</span></span></dt>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy system error returned in errno
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy The message <span class="errorname">invalid error code</span> is returned if
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy <em class="parameter"><code>ecode</code></em>
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy is out of range.
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy are elements of the
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy <code class="function">lwres_getaddrinfo()</code>.
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy<p><span class="citerefentry"><span class="refentrytitle">strerror</span>(3)</span>,
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy <span class="citerefentry"><span class="refentrytitle">lwres_getaddrinfo</span>(3)</span>,
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy <span class="citerefentry"><span class="refentrytitle">getaddrinfo</span>(3)</span>,
d583b39bfb4e2571d3e41097c5c357ffe353ad45John Wren Kennedy <span class="citerefentry"><span class="refentrytitle">RFC2133</span></span>.