systemd/man/udev_enumerate_add_match_subsystem.xml

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  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->

<refentry id="udev_enumerate_add_match_subsystem"
  xmlns:xi="http://www.w3.org/2001/XInclude">

  <refentryinfo>
    <title>udev_enumerate_add_match_subsystem</title>
    <productname>systemd</productname>
  </refentryinfo>

  <refmeta>
    <refentrytitle>udev_enumerate_add_match_subsystem</refentrytitle>
    <manvolnum>3</manvolnum>
  </refmeta>

  <refnamediv>
    <refname>udev_enumerate_add_match_subsystem</refname>
    <refname>udev_enumerate_add_nomatch_subsystem</refname>
    <refname>udev_enumerate_add_match_sysattr</refname>
    <refname>udev_enumerate_add_nomatch_sysattr</refname>
    <refname>udev_enumerate_add_match_property</refname>
    <refname>udev_enumerate_add_match_sysname</refname>
    <refname>udev_enumerate_add_match_tag</refname>
    <refname>udev_enumerate_add_match_parent</refname>
    <refname>udev_enumerate_add_match_is_initialized</refname>

    <refpurpose>Modify filters</refpurpose>
  </refnamediv>

  <refsynopsisdiv>
    <funcsynopsis>
      <funcsynopsisinfo>#include &lt;libudev.h&gt;</funcsynopsisinfo>

      <funcprototype>
        <funcdef>int <function>udev_enumerate_add_match_subsystem</function></funcdef>
        <paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
        <paramdef>const char *<parameter>subsystem</parameter></paramdef>
      </funcprototype>

      <funcprototype>
        <funcdef>int <function>udev_enumerate_add_nomatch_subsystem</function></funcdef>
        <paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
        <paramdef>const char *<parameter>subsystem</parameter></paramdef>
      </funcprototype>

      <funcprototype>
        <funcdef>int <function>udev_enumerate_add_match_sysattr</function></funcdef>
        <paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
        <paramdef>const char *<parameter>sysattr</parameter></paramdef>
        <paramdef>const char *<parameter>value</parameter></paramdef>
      </funcprototype>

      <funcprototype>
        <funcdef>int <function>udev_enumerate_add_nomatch_sysattr</function></funcdef>
        <paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
        <paramdef>const char *<parameter>sysattr</parameter></paramdef>
        <paramdef>const char *<parameter>value</parameter></paramdef>
      </funcprototype>

      <funcprototype>
        <funcdef>int <function>udev_enumerate_add_match_property</function></funcdef>
        <paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
        <paramdef>const char *<parameter>property</parameter></paramdef>
        <paramdef>const char *<parameter>value</parameter></paramdef>
      </funcprototype>

      <funcprototype>
        <funcdef>int <function>udev_enumerate_add_match_sysname</function></funcdef>
        <paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
        <paramdef>const char *<parameter>sysname</parameter></paramdef>
      </funcprototype>

      <funcprototype>
        <funcdef>int <function>udev_enumerate_add_match_tag</function></funcdef>
        <paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
        <paramdef>const char *<parameter>tag</parameter></paramdef>
      </funcprototype>

      <funcprototype>
        <funcdef>int <function>udev_enumerate_add_match_parent</function></funcdef>
        <paramdef>struct udev_enumerate *<parameter>udev_enumerate</parameter></paramdef>
        <paramdef>struct udev_device *<parameter>parent</parameter></paramdef>
      </funcprototype>

      <funcprototype>
        <funcdef>int <function>udev_enumerate_add_match_is_initialized</function></funcdef>
        <paramdef>struct udev_enumerate *<parameter>udev_enumerate</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_enumerate_add_match_subsystem()</function>,
    <function>udev_enumerate_add_nomatch_subsystem()</function>,
    <function>udev_enumerate_add_match_sysattr()</function>,
    <function>udev_enumerate_add_nomatch_sysattr()</function>,
    <function>udev_enumerate_add_match_property()</function>,
    <function>udev_enumerate_add_match_sysname()</function>,
    <function>udev_enumerate_add_match_tag()</function>,
    <function>udev_enumerate_add_match_parent()</function> and
    <function>udev_enumerate_add_match_is_initialized()</function>
    return an integer greater than, or equal to,
    <constant>0</constant>.</para>
  </refsect1>

  <refsect1>
    <title>History</title>
    <para><function>udev_enumerate_add_match_subsystem()</function>,
    <function>udev_enumerate_add_nomatch_subsystem()</function>,
    <function>udev_enumerate_add_match_sysattr()</function>,
    <function>udev_enumerate_add_nomatch_sysattr()</function>,
    <function>udev_enumerate_add_match_property()</function>,
    <function>udev_enumerate_add_match_sysname()</function>,
    <function>udev_enumerate_add_match_tag()</function>,
    <function>udev_enumerate_add_match_parent()</function>, and
    <function>udev_enumerate_add_match_is_initialized()</function> were added in version 221.</para>
  </refsect1>

  <refsect1>
    <title>See Also</title>

    <para><simplelist type="inline">
      <member><citerefentry><refentrytitle>udev_new</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
      <member><citerefentry><refentrytitle>udev_device_new_from_syspath</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
      <member><citerefentry><refentrytitle>udev_enumerate_new</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
      <member><citerefentry><refentrytitle>udev_enumerate_scan_devices</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
      <member><citerefentry><refentrytitle>udev_monitor_new_from_netlink</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
      <member><citerefentry><refentrytitle>udev_list_entry</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
      <member><citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry></member>
    </simplelist></para>
  </refsect1>

</refentry>