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bb556a9bf3a15c7160fa4f1b71773ce12b1bedf6Bob Halley<a name="id-1"></a><div class="titlepage"></div>
bb556a9bf3a15c7160fa4f1b71773ce12b1bedf6Bob Halley
bb556a9bf3a15c7160fa4f1b71773ce12b1bedf6Bob Halley
bb556a9bf3a15c7160fa4f1b71773ce12b1bedf6Bob Halley
ab023a65562e62b85a824509d829b6fad87e00b1Rob Austein
ab023a65562e62b85a824509d829b6fad87e00b1Rob Austein
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bb556a9bf3a15c7160fa4f1b71773ce12b1bedf6Bob Halley
bb556a9bf3a15c7160fa4f1b71773ce12b1bedf6Bob Halley <div class="refnamediv">
bb556a9bf3a15c7160fa4f1b71773ce12b1bedf6Bob Halley<h2>Name</h2>
bb556a9bf3a15c7160fa4f1b71773ce12b1bedf6Bob Halley<p>
1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence lwres_herror,
1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence lwres_hstrerror
3ddd814a97de1d152ba0913c592d6e6dc83d38a6Michael Graff &#8212; lightweight resolver error message generation
5388c214e56385c67fb3fa22715c97fe11cda3ebBrian Wellington </p>
bb556a9bf3a15c7160fa4f1b71773ce12b1bedf6Bob Halley</div>
77ac297199fc44809d9628558223627c10ae3f31Brian Wellington <div class="refsynopsisdiv">
bb556a9bf3a15c7160fa4f1b71773ce12b1bedf6Bob Halley<h2>Synopsis</h2>
1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence <div class="funcsynopsis">
1a69a1a78cfaa86f3b68bbc965232b7876d4da2aDavid Lawrence<pre class="funcsynopsisinfo">#include &lt;lwres/netdb.h&gt;</pre>
4be63b1fd8c18dbeca1648d6cf22fa14f057a469David Lawrence<table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr>
<td><code class="funcdef">
void
<b class="fsfunc">lwres_herror</b>(</code></td>
<td>const char *<var class="pdparam">s</var><code>)</code>;</td>
</tr></table>
<div class="funcprototype-spacer">�</div>
<table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr>
<td><code class="funcdef">
const char *
<b class="fsfunc">lwres_hstrerror</b>(</code></td>
<td>int <var class="pdparam">err</var><code>)</code>;</td>
</tr></table>
<div class="funcprototype-spacer">�</div>
</div>
</div>
<div class="refsection">
<a name="id-1.7"></a><h2>DESCRIPTION</h2>
<p><code class="function">lwres_herror()</code>
prints the string <em class="parameter"><code>s</code></em> on
<span class="type">stderr</span> followed by the string generated by
<code class="function">lwres_hstrerror()</code> for the error code stored
in the global variable <code class="constant">lwres_h_errno</code>.
</p>
<p><code class="function">lwres_hstrerror()</code>
returns an appropriate string for the error code gievn by
<em class="parameter"><code>err</code></em>. The values of the error codes and
messages are as follows:
</p>
<div class="variablelist"><dl class="variablelist">
<dt><span class="term"><span class="errorcode">NETDB_SUCCESS</span></span></dt>
<dd>
<p><span class="errorname">Resolver Error 0 (no error)</span>
</p>
</dd>
<dt><span class="term"><span class="errorcode">HOST_NOT_FOUND</span></span></dt>
<dd>
<p><span class="errorname">Unknown host</span>
</p>
</dd>
<dt><span class="term"><span class="errorcode">TRY_AGAIN</span></span></dt>
<dd>
<p><span class="errorname">Host name lookup failure</span>
</p>
</dd>
<dt><span class="term"><span class="errorcode">NO_RECOVERY</span></span></dt>
<dd>
<p><span class="errorname">Unknown server error</span>
</p>
</dd>
<dt><span class="term"><span class="errorcode">NO_DATA</span></span></dt>
<dd>
<p><span class="errorname">No address associated with name</span>
</p>
</dd>
</dl></div>
<p>
</p>
</div>
<div class="refsection">
<a name="id-1.8"></a><h2>RETURN VALUES</h2>
<p>
The string <span class="errorname">Unknown resolver error</span> is returned by
<code class="function">lwres_hstrerror()</code>
when the value of
<code class="constant">lwres_h_errno</code>
is not a valid error code.
</p>
</div>
<div class="refsection">
<a name="id-1.9"></a><h2>SEE ALSO</h2>
<p><span class="citerefentry">
<span class="refentrytitle">herror</span>(3)
</span>,
<span class="citerefentry">
<span class="refentrytitle">lwres_hstrerror</span>(3)
</span>.
</p>
</div>
</div></body>
</html>