contrib/bind-9.5.2/lib/lwres/man/lwres_hstrerror.html

   1 <!--
   2  - Copyright (C) 2004, 2005, 2007 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: lwres_hstrerror.html,v 1.23.214.1 2009/07/11 01:43:34 tbox Exp $ -->
  18 <html>
  19 <head>
  20 <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
  21 <title>lwres_hstrerror</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_herror, lwres_hstrerror &#8212; lightweight resolver error message generation</p>
  29 </div>
  30 <div class="refsynopsisdiv">
  31 <h2>Synopsis</h2>
  32 <div class="funcsynopsis">
  33 <pre class="funcsynopsisinfo">#include &lt;lwres/netdb.h&gt;</pre>
  34 <table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr>
  35 <td><code class="funcdef">
  36 void
  37 <b class="fsfunc">lwres_herror</b>(</code></td>
  38 <td>const char * </td>
  39 <td>
  40 <var class="pdparam">s</var><code>)</code>;</td>
  41 </tr></table>
  42 <table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"><tr>
  43 <td><code class="funcdef">
  44 const char *
  45 <b class="fsfunc">lwres_hstrerror</b>(</code></td>
  46 <td>int  </td>
  47 <td>
  48 <var class="pdparam">err</var><code>)</code>;</td>
  49 </tr></table>
  50 </div>
  51 </div>
  52 <div class="refsect1" lang="en">
  53 <a name="id2543379"></a><h2>DESCRIPTION</h2>
  54 <p><code class="function">lwres_herror()</code>
  55       prints the string <em class="parameter"><code>s</code></em> on
  56       <span class="type">stderr</span> followed by the string generated by
  57       <code class="function">lwres_hstrerror()</code> for the error code stored
  58       in the global variable <code class="constant">lwres_h_errno</code>.
  59     </p>
  60 <p><code class="function">lwres_hstrerror()</code>
  61       returns an appropriate string for the error code gievn by
  62       <em class="parameter"><code>err</code></em>.  The values of the error codes and
  63       messages are as follows:
  64
  65       </p>
  66 <div class="variablelist"><dl>
  67 <dt><span class="term"><span class="errorcode">NETDB_SUCCESS</span></span></dt>
  68 <dd><p><span class="errorname">Resolver Error 0 (no error)</span>
  69             </p></dd>
  70 <dt><span class="term"><span class="errorcode">HOST_NOT_FOUND</span></span></dt>
  71 <dd><p><span class="errorname">Unknown host</span>
  72             </p></dd>
  73 <dt><span class="term"><span class="errorcode">TRY_AGAIN</span></span></dt>
  74 <dd><p><span class="errorname">Host name lookup failure</span>
  75             </p></dd>
  76 <dt><span class="term"><span class="errorcode">NO_RECOVERY</span></span></dt>
  77 <dd><p><span class="errorname">Unknown server error</span>
  78             </p></dd>
  79 <dt><span class="term"><span class="errorcode">NO_DATA</span></span></dt>
  80 <dd><p><span class="errorname">No address associated with name</span>
  81             </p></dd>
  82 </dl></div>
  83 <p>
  84     </p>
  85 </div>
  86 <div class="refsect1" lang="en">
  87 <a name="id2543497"></a><h2>RETURN VALUES</h2>
  88 <p>
  89       The string <span class="errorname">Unknown resolver error</span> is returned by
  90       <code class="function">lwres_hstrerror()</code>
  91       when the value of
  92       <code class="constant">lwres_h_errno</code>
  93       is not a valid error code.
  94     </p>
  95 </div>
  96 <div class="refsect1" lang="en">
  97 <a name="id2543517"></a><h2>SEE ALSO</h2>
  98 <p><span class="citerefentry"><span class="refentrytitle">herror</span>(3)</span>,
  99
 100       <span class="citerefentry"><span class="refentrytitle">lwres_hstrerror</span>(3)</span>.
 101     </p>
 102 </div>
 103 </div></body>
 104 </html>