lwres_hstrerror.html revision 75c0816e8295e180f4bc7f10db3d0d880383bc1c
4632N/A<!--
4632N/A - Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
4632N/A - Copyright (C) 2000, 2001 Internet Software Consortium.
4632N/A -
4632N/A - Permission to use, copy, modify, and distribute this software for any
4632N/A - purpose with or without fee is hereby granted, provided that the above
4632N/A - copyright notice and this permission notice appear in all copies.
4632N/A -
4632N/A - THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
4632N/A - REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
4632N/A - AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
4632N/A - INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
4632N/A - LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
4632N/A - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
4632N/A - PERFORMANCE OF THIS SOFTWARE.
4632N/A-->
4632N/A<!-- $Id: lwres_hstrerror.html,v 1.14 2005/05/13 03:14:15 marka Exp $ -->
4632N/A<html>
4632N/A<head>
4632N/A<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
4632N/A<title>lwres_hstrerror</title>
4632N/A<meta name="generator" content="DocBook XSL Stylesheets V1.68.1">
4632N/A</head>
4632N/A<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en">
4632N/A<a name="id2456836"></a><div class="titlepage"></div>
4632N/A<div class="refnamediv">
4632N/A<h2>Name</h2>
4632N/A<p>lwres_herror, lwres_hstrerror &#8212; lightweight resolver error message generation</p>
4632N/A</div>
4632N/A<div class="refsynopsisdiv">
4632N/A<h2>Synopsis</h2>
4632N/A<div class="funcsynopsis">
4632N/A<pre class="funcsynopsisinfo">#include &lt;lwres/netdb.h&gt;</pre>
4632N/A<p><code class="funcdef">
4632N/Avoid
4632N/A<b class="fsfunc">lwres_herror</b>(</code>const char *<var class="pdparam">s</var><code>)</code>;</p>
4632N/A<p><code class="funcdef">
4632N/Aconst char *
4632N/A<b class="fsfunc">lwres_hstrerror</b>(</code>int <var class="pdparam">err</var><code>)</code>;</p>
4632N/A</div>
4632N/A</div>
4632N/A<div class="refsect1" lang="en">
4632N/A<a name="id2514204"></a><h2>DESCRIPTION</h2>
4632N/A<p><code class="function">lwres_herror()</code>
4632N/A prints the string <em class="parameter"><code>s</code></em> on
4632N/A <span class="type">stderr</span> followed by the string generated by
4632N/A <code class="function">lwres_hstrerror()</code> for the error code stored
4632N/A in the global variable <code class="constant">lwres_h_errno</code>.
4632N/A </p>
4632N/A<p><code class="function">lwres_hstrerror()</code>
4632N/A returns an appropriate string for the error code gievn by
4632N/A <em class="parameter"><code>err</code></em>. The values of the error codes and
4632N/A messages are as follows:
4632N/A
4632N/A </p>
4632N/A<div class="variablelist"><dl>
4632N/A<dt><span class="term"><span class="errorcode">NETDB_SUCCESS</span></span></dt>
4632N/A<dd><p><span class="errorname">Resolver Error 0 (no error)</span>
4632N/A </p></dd>
4632N/A<dt><span class="term"><span class="errorcode">HOST_NOT_FOUND</span></span></dt>
4632N/A<dd><p><span class="errorname">Unknown host</span>
4632N/A </p></dd>
4632N/A<dt><span class="term"><span class="errorcode">TRY_AGAIN</span></span></dt>
4632N/A<dd><p><span class="errorname">Host name lookup failure</span>
4632N/A </p></dd>
4632N/A<dt><span class="term"><span class="errorcode">NO_RECOVERY</span></span></dt>
4632N/A<dd><p><span class="errorname">Unknown server error</span>
4632N/A </p></dd>
4632N/A<dt><span class="term"><span class="errorcode">NO_DATA</span></span></dt>
4632N/A<dd><p><span class="errorname">No address associated with name</span>
4632N/A </p></dd>
4632N/A</dl></div>
4632N/A<p>
4632N/A </p>
4632N/A</div>
4632N/A<div class="refsect1" lang="en">
4632N/A<a name="id2514323"></a><h2>RETURN VALUES</h2>
4632N/A<p>
4632N/A The string <span class="errorname">Unknown resolver error</span> is returned by
4632N/A <code class="function">lwres_hstrerror()</code>
4632N/A when the value of
4632N/A <code class="constant">lwres_h_errno</code>
4632N/A is not a valid error code.
4632N/A </p>
4632N/A</div>
4632N/A<div class="refsect1" lang="en">
4632N/A<a name="id2514343"></a><h2>SEE ALSO</h2>
4632N/A<p><span class="citerefentry"><span class="refentrytitle">herror</span>(3)</span>,
4632N/A
4632N/A <span class="citerefentry"><span class="refentrytitle">lwres_hstrerror</span>(3)</span>.
4632N/A </p>
4632N/A</div>
4632N/A</div></body>
4632N/A</html>
4632N/A