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<!-- - Copyright (C) 2004, 2005, 2007, 2012 Internet Systems Consortium, Inc. ("ISC") - Copyright (C) 2000, 2001 Internet Software Consortium. - - Permission to use, copy, modify, and/or distribute this software for any - purpose with or without fee is hereby granted, provided that the above - copyright notice and this permission notice appear in all copies. - - THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH - REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, - INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> <!-- $Id$ --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>lwres_gai_strerror</title> <meta name="generator" content="DocBook XSL Stylesheets V1.71.1"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en"> <a name="id2476275"></a><div class="titlepage"></div> <div class="refnamediv"> <h2>Name</h2> <p>lwres_gai_strerror — print suitable error string</p> </div> <div class="refsynopsisdiv"> <h2>Synopsis</h2> <div class="funcsynopsis"> <pre class="funcsynopsisinfo">#include <lwres/netdb.h></pre> <table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"><tr> <td><code class="funcdef"> char * <b class="fsfunc">gai_strerror</b>(</code></td> <td>int </td> <td> <var class="pdparam">ecode</var><code>)</code>;</td> </tr></table> </div> </div> <div class="refsect1" lang="en"> <a name="id2543365"></a><h2>DESCRIPTION</h2> <p><code class="function">lwres_gai_strerror()</code> returns an error message corresponding to an error code returned by <code class="function">getaddrinfo()</code>. The following error codes and their meaning are defined in <code class="filename">include/lwres/netdb.h</code>. </p> <div class="variablelist"><dl> <dt><span class="term"><span class="errorcode">EAI_ADDRFAMILY</span></span></dt> <dd><p> address family for hostname not supported </p></dd> <dt><span class="term"><span class="errorcode">EAI_AGAIN</span></span></dt> <dd><p> temporary failure in name resolution </p></dd> <dt><span class="term"><span class="errorcode">EAI_BADFLAGS</span></span></dt> <dd><p> invalid value for <code class="constant">ai_flags</code> </p></dd> <dt><span class="term"><span class="errorcode">EAI_FAIL</span></span></dt> <dd><p> non-recoverable failure in name resolution </p></dd> <dt><span class="term"><span class="errorcode">EAI_FAMILY</span></span></dt> <dd><p><code class="constant">ai_family</code> not supported </p></dd> <dt><span class="term"><span class="errorcode">EAI_MEMORY</span></span></dt> <dd><p> memory allocation failure </p></dd> <dt><span class="term"><span class="errorcode">EAI_NODATA</span></span></dt> <dd><p> no address associated with hostname </p></dd> <dt><span class="term"><span class="errorcode">EAI_NONAME</span></span></dt> <dd><p> hostname or servname not provided, or not known </p></dd> <dt><span class="term"><span class="errorcode">EAI_SERVICE</span></span></dt> <dd><p> servname not supported for <code class="constant">ai_socktype</code> </p></dd> <dt><span class="term"><span class="errorcode">EAI_SOCKTYPE</span></span></dt> <dd><p><code class="constant">ai_socktype</code> not supported </p></dd> <dt><span class="term"><span class="errorcode">EAI_SYSTEM</span></span></dt> <dd><p> system error returned in errno </p></dd> </dl></div> <p> The message <span class="errorname">invalid error code</span> is returned if <em class="parameter"><code>ecode</code></em> is out of range. </p> <p><code class="constant">ai_flags</code>, <code class="constant">ai_family</code> and <code class="constant">ai_socktype</code> are elements of the <span class="type">struct addrinfo</span> used by <code class="function">lwres_getaddrinfo()</code>. </p> </div> <div class="refsect1" lang="en"> <a name="id2543580"></a><h2>SEE ALSO</h2> <p><span class="citerefentry"><span class="refentrytitle">strerror</span>(3)</span>, <span class="citerefentry"><span class="refentrytitle">lwres_getaddrinfo</span>(3)</span>, <span class="citerefentry"><span class="refentrytitle">getaddrinfo</span>(3)</span>, <span class="citerefentry"><span class="refentrytitle">RFC2133</span></span>. </p> </div> </div></body> </html>