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<?xml version='1.0'?> <!--*-nxml-*-->
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
<!ENTITY % entities SYSTEM "custom-entities.ent" >
%entities;
]>
<!--
This file is part of systemd.
Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
-->
<refentry id="udev_list_entry"
xmlns:xi="http://www.w3.org/2001/XInclude">
<refentryinfo>
<title>udev_list_entry</title>
<productname>systemd</productname>
<authorgroup>
<author>
<contrib>Developer</contrib>
<firstname>David</firstname>
<surname>Herrmann</surname>
<email>dh.herrmann@gmail.com</email>
</author>
</authorgroup>
</refentryinfo>
<refmeta>
<refentrytitle>udev_list_entry</refentrytitle>
<manvolnum>3</manvolnum>
</refmeta>
<refnamediv>
<refname>udev_list_entry</refname>
<refname>udev_list_entry_get_next</refname>
<refname>udev_list_entry_get_by_name</refname>
<refname>udev_list_entry_get_name</refname>
<refname>udev_list_entry_get_value</refname>
<refpurpose>Iterate and access udev lists</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis>
<funcsynopsisinfo>#include <libudev.h></funcsynopsisinfo>
<funcprototype>
<funcdef>struct udev_list_entry *<function>udev_list_entry_get_next</function></funcdef>
<paramdef>struct udev_list_entry *<parameter>list_entry</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>struct udev_list_entry *<function>udev_list_entry_get_by_name</function></funcdef>
<paramdef>struct udev_list_entry *<parameter>list_entry</parameter></paramdef>
<paramdef>const char *<parameter>name</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>const char *<function>udev_list_entry_get_name</function></funcdef>
<paramdef>struct udev_list_entry *<parameter>list_entry</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>const char *<function>udev_list_entry_get_value</function></funcdef>
<paramdef>struct udev_list_entry *<parameter>list_entry</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<!--<refsect1>
<title>Description</title>
<para>XXX: Add short description.</para>
</refsect1>-->
<refsect1>
<title>Return Value</title>
<para>On success,
<function>udev_list_entry_get_next()</function> and
<function>udev_list_entry_get_by_name()</function> return
a pointer to the requested list entry. If no such entry can
be found, or on failure, <constant>NULL</constant> is
returned.</para>
<para>On success,
<function>udev_list_entry_get_name()</function> and
<function>udev_list_entry_get_value()</function> return a
pointer to a constant string representing the requested value.
The string is bound to the lifetime of the list-entry itself.
On failure, <constant>NULL</constant> is returned.</para>
</refsect1>
<refsect1>
<title>See Also</title>
<para>
<citerefentry><refentrytitle>udev_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
<citerefentry><refentrytitle>udev_device_new_from_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
<citerefentry><refentrytitle>udev_enumerate_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
<citerefentry><refentrytitle>udev_monitor_new_from_netlink</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
</para>
</refsect1>
</refentry>
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