1<!-- 2 - Copyright (C) 2004, 2005, 2007, 2014 Internet Systems Consortium, Inc. ("ISC") 3 - Copyright (C) 2000, 2001 Internet Software Consortium. 4 - 5 - Permission to use, copy, modify, and/or distribute this software for any 6 - purpose with or without fee is hereby granted, provided that the above 7 - copyright notice and this permission notice appear in all copies. 8 - 9 - THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 10 - REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 11 - AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 12 - INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13 - LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 14 - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 15 - PERFORMANCE OF THIS SOFTWARE. 16--> 17<!-- Id --> 18<html> 19<head> 20<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> 21<title>lwres_gai_strerror</title> 22<meta name="generator" content="DocBook XSL Stylesheets V1.71.1"> 23</head> 24<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en"> 25<a name="id2476275"></a><div class="titlepage"></div> 26<div class="refnamediv"> 27<h2>Name</h2> 28<p>lwres_gai_strerror — print suitable error string</p> 29</div> 30<div class="refsynopsisdiv"> 31<h2>Synopsis</h2> 32<div class="funcsynopsis"> 33<pre class="funcsynopsisinfo">#include <lwres/netdb.h></pre> 34<table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"><tr> 35<td><code class="funcdef"> 36char * 37<b class="fsfunc">gai_strerror</b>(</code></td> 38<td>int �</td> 39<td> 40<var class="pdparam">ecode</var><code>)</code>;</td> 41</tr></table> 42</div> 43</div> 44<div class="refsect1" lang="en"> 45<a name="id2543370"></a><h2>DESCRIPTION</h2> 46<p><code class="function">lwres_gai_strerror()</code> 47 returns an error message corresponding to an error code returned by 48 <code class="function">getaddrinfo()</code>. 49 The following error codes and their meaning are defined in 50 <code class="filename">include/lwres/netdb.h</code>. 51 </p> 52<div class="variablelist"><dl> 53<dt><span class="term"><span class="errorcode">EAI_ADDRFAMILY</span></span></dt> 54<dd><p> 55 address family for hostname not supported 56 </p></dd> 57<dt><span class="term"><span class="errorcode">EAI_AGAIN</span></span></dt> 58<dd><p> 59 temporary failure in name resolution 60 </p></dd> 61<dt><span class="term"><span class="errorcode">EAI_BADFLAGS</span></span></dt> 62<dd><p> 63 invalid value for 64 <code class="constant">ai_flags</code> 65 </p></dd> 66<dt><span class="term"><span class="errorcode">EAI_FAIL</span></span></dt> 67<dd><p> 68 non-recoverable failure in name resolution 69 </p></dd> 70<dt><span class="term"><span class="errorcode">EAI_FAMILY</span></span></dt> 71<dd><p><code class="constant">ai_family</code> not supported 72 </p></dd> 73<dt><span class="term"><span class="errorcode">EAI_MEMORY</span></span></dt> 74<dd><p> 75 memory allocation failure 76 </p></dd> 77<dt><span class="term"><span class="errorcode">EAI_NODATA</span></span></dt> 78<dd><p> 79 no address associated with hostname 80 </p></dd> 81<dt><span class="term"><span class="errorcode">EAI_NONAME</span></span></dt> 82<dd><p> 83 hostname or servname not provided, or not known 84 </p></dd> 85<dt><span class="term"><span class="errorcode">EAI_SERVICE</span></span></dt> 86<dd><p> 87 servname not supported for <code class="constant">ai_socktype</code> 88 </p></dd> 89<dt><span class="term"><span class="errorcode">EAI_SOCKTYPE</span></span></dt> 90<dd><p><code class="constant">ai_socktype</code> not supported 91 </p></dd> 92<dt><span class="term"><span class="errorcode">EAI_SYSTEM</span></span></dt> 93<dd><p> 94 system error returned in errno 95 </p></dd> 96</dl></div> 97<p> 98 The message <span class="errorname">invalid error code</span> is returned if 99 <em class="parameter"><code>ecode</code></em> 100 is out of range. 101 </p> 102<p><code class="constant">ai_flags</code>, 103 <code class="constant">ai_family</code> 104 and 105 <code class="constant">ai_socktype</code> 106 are elements of the 107 <span class="type">struct addrinfo</span> 108 used by 109 <code class="function">lwres_getaddrinfo()</code>. 110 </p> 111</div> 112<div class="refsect1" lang="en"> 113<a name="id2543586"></a><h2>SEE ALSO</h2> 114<p><span class="citerefentry"><span class="refentrytitle">strerror</span>(3)</span>, 115 116 <span class="citerefentry"><span class="refentrytitle">lwres_getaddrinfo</span>(3)</span>, 117 118 <span class="citerefentry"><span class="refentrytitle">getaddrinfo</span>(3)</span>, 119 120 <span class="citerefentry"><span class="refentrytitle">RFC2133</span></span>. 121 </p> 122</div> 123</div></body> 124</html> 125