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<!--
- Copyright (C) Internet Systems Consortium, Inc. ("ISC")
-
- This Source Code Form is subject to the terms of the Mozilla Public
- License, v. 2.0. If a copy of the MPL was not distributed with this
- file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
- See the COPYRIGHT file distributed with this work for additional
- information regarding copyright ownership.
-->
<!-- Converted by db4-upgrade version 1.0 -->
<refentry xmlns:db="http://docbook.org/ns/docbook" version="5.0">
<info>
<date>2007-06-18</date>
</info>
<refentryinfo>
<corpname>ISC</corpname>
<corpauthor>Internet Systems Consortium, Inc.</corpauthor>
</refentryinfo>
<refmeta>
<refentrytitle>lwres_hstrerror</refentrytitle>
<manvolnum>3</manvolnum>
<refmiscinfo>BIND9</refmiscinfo>
</refmeta>
<docinfo>
<copyright>
<year>2000</year>
<year>2001</year>
<year>2004</year>
<year>2005</year>
<year>2007</year>
<year>2014</year>
<year>2015</year>
<year>2016</year>
<year>2018</year>
<year>2019</year>
<holder>Internet Systems Consortium, Inc. ("ISC")</holder>
</copyright>
</docinfo>
<refnamediv>
<refname>lwres_herror</refname>
<refname>lwres_hstrerror</refname>
<refpurpose>lightweight resolver error message generation</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis>
<funcsynopsisinfo>#include <lwres/netdb.h></funcsynopsisinfo>
<funcprototype>
<funcdef>
void
<function>lwres_herror</function></funcdef>
<paramdef>const char *<parameter>s</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>
const char *
<function>lwres_hstrerror</function></funcdef>
<paramdef>int <parameter>err</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsection><info><title>DESCRIPTION</title></info>
<para><function>lwres_herror()</function>
prints the string <parameter>s</parameter> on
<type>stderr</type> followed by the string generated by
<function>lwres_hstrerror()</function> for the error code stored
in the global variable <constant>lwres_h_errno</constant>.
</para>
<para><function>lwres_hstrerror()</function>
returns an appropriate string for the error code gievn by
<parameter>err</parameter>. The values of the error codes and
messages are as follows:
<variablelist>
<varlistentry>
<term><errorcode>NETDB_SUCCESS</errorcode></term>
<listitem>
<para><errorname>Resolver Error 0 (no error)</errorname>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>HOST_NOT_FOUND</errorcode></term>
<listitem>
<para><errorname>Unknown host</errorname>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>TRY_AGAIN</errorcode></term>
<listitem>
<para><errorname>Host name lookup failure</errorname>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>NO_RECOVERY</errorcode></term>
<listitem>
<para><errorname>Unknown server error</errorname>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>NO_DATA</errorcode></term>
<listitem>
<para><errorname>No address associated with name</errorname>
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsection>
<refsection><info><title>RETURN VALUES</title></info>
<para>
The string <errorname>Unknown resolver error</errorname> is returned by
<function>lwres_hstrerror()</function>
when the value of
<constant>lwres_h_errno</constant>
is not a valid error code.
</para>
</refsection>
<refsection><info><title>SEE ALSO</title></info>
<para><citerefentry>
<refentrytitle>herror</refentrytitle><manvolnum>3</manvolnum>
</citerefentry>,
<citerefentry>
<refentrytitle>lwres_hstrerror</refentrytitle><manvolnum>3</manvolnum>
</citerefentry>.
</para>
</refsection>
</refentry>
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