mirror of
https://github.com/systemd/systemd
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105 lines
3.8 KiB
XML
105 lines
3.8 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % entities SYSTEM "custom-entities.ent" >
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%entities;
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]>
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<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
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<refentry id="udev_list_entry"
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>udev_list_entry</title>
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<productname>systemd</productname>
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</refentryinfo>
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<refmeta>
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<refentrytitle>udev_list_entry</refentrytitle>
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<manvolnum>3</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>udev_list_entry</refname>
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<refname>udev_list_entry_get_next</refname>
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<refname>udev_list_entry_get_by_name</refname>
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<refname>udev_list_entry_get_name</refname>
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<refname>udev_list_entry_get_value</refname>
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<refpurpose>Iterate and access udev lists</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<funcsynopsis>
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<funcsynopsisinfo>#include <libudev.h></funcsynopsisinfo>
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<funcprototype>
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<funcdef>struct udev_list_entry *<function>udev_list_entry_get_next</function></funcdef>
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<paramdef>struct udev_list_entry *<parameter>list_entry</parameter></paramdef>
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</funcprototype>
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<funcprototype>
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<funcdef>struct udev_list_entry *<function>udev_list_entry_get_by_name</function></funcdef>
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<paramdef>struct udev_list_entry *<parameter>list_entry</parameter></paramdef>
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<paramdef>const char *<parameter>name</parameter></paramdef>
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</funcprototype>
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<funcprototype>
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<funcdef>const char *<function>udev_list_entry_get_name</function></funcdef>
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<paramdef>struct udev_list_entry *<parameter>list_entry</parameter></paramdef>
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</funcprototype>
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<funcprototype>
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<funcdef>const char *<function>udev_list_entry_get_value</function></funcdef>
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<paramdef>struct udev_list_entry *<parameter>list_entry</parameter></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>XXX: Add short description.</para>
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</refsect1>-->
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<refsect1>
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<title>Return Value</title>
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<para>On success,
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<function>udev_list_entry_get_next()</function> and
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<function>udev_list_entry_get_by_name()</function> return
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a pointer to the requested list entry. If no such entry can
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be found, or on failure, <constant>NULL</constant> is
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returned.</para>
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<para>On success,
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<function>udev_list_entry_get_name()</function> and
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<function>udev_list_entry_get_value()</function> return a
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pointer to a constant string representing the requested value.
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The string is bound to the lifetime of the list entry itself.
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On failure, <constant>NULL</constant> is returned.</para>
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</refsect1>
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<refsect1>
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<title>History</title>
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<para><function>udev_list_entry_get_next()</function>,
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<function>udev_list_entry_get_by_name()</function>,
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<function>udev_list_entry_get_name()</function>, and
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<function>udev_list_entry_get_value()</function> were added in version 221.</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para><simplelist type="inline">
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<member><citerefentry><refentrytitle>udev_new</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
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<member><citerefentry><refentrytitle>udev_device_new_from_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
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<member><citerefentry><refentrytitle>udev_enumerate_new</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
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<member><citerefentry><refentrytitle>udev_monitor_new_from_netlink</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
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<member><citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry></member>
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</simplelist></para>
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</refsect1>
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</refentry>
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