178 lines
4.7 KiB
Plaintext
178 lines
4.7 KiB
Plaintext
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.0//EN"
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"http://www.oasis-open.org/docbook/xml/4.0/docbookx.dtd"
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[<!ENTITY mdash "—">]>
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<!--
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- Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
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- Copyright (C) 2000, 2001 Internet Software Consortium.
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-
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- Permission to use, copy, modify, and distribute this software for any
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- purpose with or without fee is hereby granted, provided that the above
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- copyright notice and this permission notice appear in all copies.
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-
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- THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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- REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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- AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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- INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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- LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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- OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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- PERFORMANCE OF THIS SOFTWARE.
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-->
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<!-- $Id: lwres_gai_strerror.docbook,v 1.3.206.3 2005/05/12 21:36:13 sra Exp $ -->
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<refentry>
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<refentryinfo>
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<date>Jun 30, 2000</date>
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</refentryinfo>
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<refmeta>
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<refentrytitle>lwres_gai_strerror</refentrytitle>
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<manvolnum>3</manvolnum>
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<refmiscinfo>BIND9</refmiscinfo>
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</refmeta>
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<docinfo>
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<copyright>
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<year>2004</year>
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<year>2005</year>
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<holder>Internet Systems Consortium, Inc. ("ISC")</holder>
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</copyright>
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<copyright>
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<year>2000</year>
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<year>2001</year>
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<holder>Internet Software Consortium.</holder>
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</copyright>
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</docinfo>
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<refnamediv>
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<refname>gai_strerror</refname>
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<refpurpose>print suitable error string</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<funcsynopsis>
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<funcsynopsisinfo>#include <lwres/netdb.h></funcsynopsisinfo>
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<funcprototype>
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<funcdef>
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char *
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<function>gai_strerror</function></funcdef>
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<paramdef>int ecode</paramdef>
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</funcprototype>
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</funcsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>DESCRIPTION</title>
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<para>
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<function>lwres_gai_strerror()</function>
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returns an error message corresponding to an error code returned by
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<function>getaddrinfo()</function>.
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The following error codes and their meaning are defined in
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<filename>include/lwres/netdb.h</filename>.
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<variablelist>
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<varlistentry><term><errorcode>EAI_ADDRFAMILY</errorcode></term>
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<listitem>
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<para>
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address family for hostname not supported
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</para>
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</listitem></varlistentry>
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<varlistentry><term><errorcode>EAI_AGAIN</errorcode></term>
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<listitem>
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<para>
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temporary failure in name resolution
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</para>
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</listitem></varlistentry>
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<varlistentry><term><errorcode>EAI_BADFLAGS</errorcode></term>
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<listitem>
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<para>
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invalid value for
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<constant>ai_flags</constant>
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</para>
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</listitem></varlistentry>
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<varlistentry><term><errorcode>EAI_FAIL</errorcode></term>
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<listitem>
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<para>
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non-recoverable failure in name resolution
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</para>
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</listitem></varlistentry>
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<varlistentry><term><errorcode>EAI_FAMILY</errorcode></term>
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<listitem>
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<para>
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<constant>ai_family</constant> not supported
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</para>
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</listitem></varlistentry>
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<varlistentry><term><errorcode>EAI_MEMORY</errorcode></term>
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<listitem>
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<para>
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memory allocation failure
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</para>
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</listitem></varlistentry>
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<varlistentry><term><errorcode>EAI_NODATA</errorcode></term>
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<listitem>
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<para>
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no address associated with hostname
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</para>
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</listitem></varlistentry>
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<varlistentry><term><errorcode>EAI_NONAME</errorcode></term>
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<listitem>
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<para>
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hostname or servname not provided, or not known
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</para>
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</listitem></varlistentry>
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<varlistentry><term><errorcode>EAI_SERVICE</errorcode></term>
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<listitem>
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<para>
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servname not supported for <constant>ai_socktype</constant>
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</para>
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</listitem></varlistentry>
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<varlistentry><term><errorcode>EAI_SOCKTYPE</errorcode></term>
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<listitem>
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<para>
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<constant>ai_socktype</constant> not supported
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</para>
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</listitem></varlistentry>
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<varlistentry><term><errorcode>EAI_SYSTEM</errorcode></term>
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<listitem>
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<para>
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system error returned in errno
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</para>
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</listitem></varlistentry>
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</variablelist>
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The message <errorname>invalid error code</errorname> is returned if
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<parameter>ecode</parameter>
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is out of range.
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</para>
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<para>
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<constant>ai_flags</constant>,
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<constant>ai_family</constant>
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and
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<constant>ai_socktype</constant>
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are elements of the
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<type>struct addrinfo</type>
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used by
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<function>lwres_getaddrinfo()</function>.
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</para>
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</refsect1>
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<refsect1>
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<title>SEE ALSO</title>
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<para>
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<citerefentry>
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<refentrytitle>strerror</refentrytitle><manvolnum>3</manvolnum>
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</citerefentry>,
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<citerefentry>
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<refentrytitle>lwres_getaddrinfo</refentrytitle><manvolnum>3</manvolnum>
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</citerefentry>,
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<citerefentry>
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<refentrytitle>getaddrinfo</refentrytitle><manvolnum>3</manvolnum>
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</citerefentry>,
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<citerefentry>
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<refentrytitle>RFC2133</refentrytitle>
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</citerefentry>.
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</para>
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</refsect1>
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</refentry>
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