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author | Martin Nagy <mnagy@redhat.com> | 2009-02-11 20:37:59 +0100 |
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committer | Martin Nagy <mnagy@redhat.com> | 2009-02-11 20:37:59 +0100 |
commit | f50ae72ec3417cae55dd4e085991c01af9fdc5f1 (patch) | |
tree | 0e36c9a3320f6d068df93d3ff6d84b821d23db40 /lib/lwres/man/lwres_getnameinfo.docbook | |
download | bind_dynamic-f50ae72ec3417cae55dd4e085991c01af9fdc5f1.tar.gz bind_dynamic-f50ae72ec3417cae55dd4e085991c01af9fdc5f1.tar.xz bind_dynamic-f50ae72ec3417cae55dd4e085991c01af9fdc5f1.zip |
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diff --git a/lib/lwres/man/lwres_getnameinfo.docbook b/lib/lwres/man/lwres_getnameinfo.docbook new file mode 100644 index 0000000..504dfb7 --- /dev/null +++ b/lib/lwres/man/lwres_getnameinfo.docbook @@ -0,0 +1,205 @@ +<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" + "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" + [<!ENTITY mdash "—">]> +<!-- + - Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") + - Copyright (C) 2000, 2001 Internet Software Consortium. + - + - Permission to use, copy, modify, and/or distribute this software for any + - purpose with or without fee is hereby granted, provided that the above + - copyright notice and this permission notice appear in all copies. + - + - THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + - REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + - AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + - INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + - LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + - PERFORMANCE OF THIS SOFTWARE. +--> + +<!-- $Id: lwres_getnameinfo.docbook,v 1.10 2007/06/18 23:47:51 tbox Exp $ --> +<refentry> + + <refentryinfo> + <date>Jun 30, 2000</date> + </refentryinfo> + + <refmeta> + <refentrytitle>lwres_getnameinfo</refentrytitle> + <manvolnum>3</manvolnum> + <refmiscinfo>BIND9</refmiscinfo> + </refmeta> + + <docinfo> + <copyright> + <year>2004</year> + <year>2005</year> + <year>2007</year> + <holder>Internet Systems Consortium, Inc. ("ISC")</holder> + </copyright> + <copyright> + <year>2000</year> + <year>2001</year> + <holder>Internet Software Consortium.</holder> + </copyright> + </docinfo> + + <refnamediv> + <refname>lwres_getnameinfo</refname> + <refpurpose>lightweight resolver socket address structure to hostname and + service name + </refpurpose> + </refnamediv> + <refsynopsisdiv> + <funcsynopsis> +<funcsynopsisinfo>#include <lwres/netdb.h></funcsynopsisinfo> +<funcprototype> + <funcdef> +int +<function>lwres_getnameinfo</function></funcdef> + <paramdef>const struct sockaddr *<parameter>sa</parameter></paramdef> + <paramdef>size_t <parameter>salen</parameter></paramdef> + <paramdef>char *<parameter>host</parameter></paramdef> + <paramdef>size_t <parameter>hostlen</parameter></paramdef> + <paramdef>char *<parameter>serv</parameter></paramdef> + <paramdef>size_t <parameter>servlen</parameter></paramdef> + <paramdef>int <parameter>flags</parameter></paramdef> + </funcprototype> +</funcsynopsis> + </refsynopsisdiv> + + <refsect1> + <title>DESCRIPTION</title> + + <para> + This function is equivalent to the + <citerefentry> + <refentrytitle>getnameinfo</refentrytitle><manvolnum>3</manvolnum> + </citerefentry> function defined in RFC2133. + <function>lwres_getnameinfo()</function> returns the + hostname for the + <type>struct sockaddr</type> <parameter>sa</parameter> which + is + <parameter>salen</parameter> bytes long. The hostname is of + length + <parameter>hostlen</parameter> and is returned via + <parameter>*host.</parameter> The maximum length of the + hostname is + 1025 bytes: <constant>NI_MAXHOST</constant>. + </para> + + <para> The name of the service associated with the port number in + <parameter>sa</parameter> is returned in <parameter>*serv.</parameter> + It is <parameter>servlen</parameter> bytes long. The + maximum length + of the service name is <constant>NI_MAXSERV</constant> - 32 + bytes. + </para> + + <para> + The <parameter>flags</parameter> argument sets the + following + bits: + <variablelist> + <varlistentry> + <term><constant>NI_NOFQDN</constant></term> + <listitem> + <para> + A fully qualified domain name is not required for local hosts. + The local part of the fully qualified domain name is returned + instead. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term><constant>NI_NUMERICHOST</constant></term> + <listitem> + <para> + Return the address in numeric form, as if calling inet_ntop(), + instead of a host name. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term><constant>NI_NAMEREQD</constant></term> + <listitem> + <para> + A name is required. If the hostname cannot be found in the DNS + and + this flag is set, a non-zero error code is returned. + If the hostname is not found and the flag is not set, the + address is returned in numeric form. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term><constant>NI_NUMERICSERV</constant></term> + <listitem> + <para> + The service name is returned as a digit string representing the + port number. + </para> + </listitem> + </varlistentry> + <varlistentry> + <term><constant>NI_DGRAM</constant></term> + <listitem> + <para> + Specifies that the service being looked up is a datagram + service, and causes getservbyport() to be called with a second + argument of "udp" instead of its default of "tcp". This is + required + for the few ports (512-514) that have different services for UDP + and + TCP. + </para> + </listitem> + </varlistentry> + </variablelist> + </para> + </refsect1> + + <refsect1> + <title>RETURN VALUES</title> + <para><function>lwres_getnameinfo()</function> + returns 0 on success or a non-zero error code if an error occurs. + </para> + </refsect1> + <refsect1> + <title>SEE ALSO</title> + <para><citerefentry> + <refentrytitle>RFC2133</refentrytitle> + </citerefentry>, + <citerefentry> + <refentrytitle>getservbyport</refentrytitle><manvolnum>3</manvolnum> + </citerefentry>, + <citerefentry> + <refentrytitle>lwres</refentrytitle><manvolnum>3</manvolnum> + </citerefentry>, + <citerefentry> + <refentrytitle>lwres_getnameinfo</refentrytitle><manvolnum>3</manvolnum> + </citerefentry>, + <citerefentry> + <refentrytitle>lwres_getnamebyaddr</refentrytitle><manvolnum>3</manvolnum> + </citerefentry>. + <citerefentry> + <refentrytitle>lwres_net_ntop</refentrytitle><manvolnum>3</manvolnum> + </citerefentry>. + </para> + </refsect1> + <refsect1> + <title>BUGS</title> + <para> + RFC2133 fails to define what the nonzero return values of + <citerefentry> + <refentrytitle>getnameinfo</refentrytitle><manvolnum>3</manvolnum> + </citerefentry> + are. + </para> + </refsect1> +</refentry><!-- + - Local variables: + - mode: sgml + - End: +--> |