6/contrib/bind9/lib/lwres/man/lwres_gai_strerror.html

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  18 <html>
  19 <head>
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  21 <title>lwres_gai_strerror</title>
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  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>gai_strerror &#8212; print suitable error string</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"><tr>
  35 <td><code class="funcdef">
  36 char *
  37 <b class="fsfunc">gai_strerror</b>(</code></td>
  38 <td> </td>
  39 <td>
  40 <code>)</code>;</td>
  41 </tr></table>
  42 </div>
  43 </div>
  44 <div class="refsect1" lang="en">
  45 <a name="id2543349"></a><h2>DESCRIPTION</h2>
  46 <p>
  47 <code class="function">lwres_gai_strerror()</code>
  48 returns an error message corresponding to an error code returned by
  49 <code class="function">getaddrinfo()</code>.
  50 The following error codes and their meaning are defined in
  51 <code class="filename">include/lwres/netdb.h</code>.
  52 </p>
  53 <div class="variablelist"><dl>
  54 <dt><span class="term"><span class="errorcode">EAI_ADDRFAMILY</span></span></dt>
  55 <dd><p>
  56 address family for hostname not supported
  57 </p></dd>
  58 <dt><span class="term"><span class="errorcode">EAI_AGAIN</span></span></dt>
  59 <dd><p>
  60 temporary failure in name resolution
  61 </p></dd>
  62 <dt><span class="term"><span class="errorcode">EAI_BADFLAGS</span></span></dt>
  63 <dd><p>
  64 invalid value for
  65 <code class="constant">ai_flags</code>
  66 </p></dd>
  67 <dt><span class="term"><span class="errorcode">EAI_FAIL</span></span></dt>
  68 <dd><p>
  69 non-recoverable failure in name resolution
  70 </p></dd>
  71 <dt><span class="term"><span class="errorcode">EAI_FAMILY</span></span></dt>
  72 <dd><p>
  73 <code class="constant">ai_family</code> not supported
  74 </p></dd>
  75 <dt><span class="term"><span class="errorcode">EAI_MEMORY</span></span></dt>
  76 <dd><p>
  77 memory allocation failure
  78 </p></dd>
  79 <dt><span class="term"><span class="errorcode">EAI_NODATA</span></span></dt>
  80 <dd><p>
  81 no address associated with hostname
  82 </p></dd>
  83 <dt><span class="term"><span class="errorcode">EAI_NONAME</span></span></dt>
  84 <dd><p>
  85 hostname or servname not provided, or not known
  86 </p></dd>
  87 <dt><span class="term"><span class="errorcode">EAI_SERVICE</span></span></dt>
  88 <dd><p>
  89 servname not supported for <code class="constant">ai_socktype</code>
  90 </p></dd>
  91 <dt><span class="term"><span class="errorcode">EAI_SOCKTYPE</span></span></dt>
  92 <dd><p>
  93 <code class="constant">ai_socktype</code> not supported
  94 </p></dd>
  95 <dt><span class="term"><span class="errorcode">EAI_SYSTEM</span></span></dt>
  96 <dd><p>
  97 system error returned in errno
  98 </p></dd>
  99 </dl></div>
 100 <p>
 101 The message <span class="errorname">invalid error code</span> is returned if
 102 <em class="parameter"><code>ecode</code></em>
 103 is out of range.
 104 </p>
 105 <p>
 106 <code class="constant">ai_flags</code>,
 107 <code class="constant">ai_family</code>
 108 and
 109 <code class="constant">ai_socktype</code>
 110 are elements of the
 111 <span class="type">struct  addrinfo</span>
 112 used by
 113 <code class="function">lwres_getaddrinfo()</code>.
 114 </p>
 115 </div>
 116 <div class="refsect1" lang="en">
 117 <a name="id2543546"></a><h2>SEE ALSO</h2>
 118 <p>
 119 <span class="citerefentry"><span class="refentrytitle">strerror</span>(3)</span>,
 120
 121 <span class="citerefentry"><span class="refentrytitle">lwres_getaddrinfo</span>(3)</span>,
 122
 123 <span class="citerefentry"><span class="refentrytitle">getaddrinfo</span>(3)</span>,
 124
 125 <span class="citerefentry"><span class="refentrytitle">RFC2133</span></span>.
 126 </p>
 127 </div>
 128 </div></body>
 129 </html>