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<?xml version='1.0'?> <!-- * - nxml - * -->
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<!-- SPDX - License - Identifier: LGPL - 2.1 - or - later -->
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<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 < libudev.h> </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,
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<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>
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return an integer greater than, or equal to,
<constant > 0</constant> .</para>
</refsect1>
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<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>
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<refsect1 >
<title > See Also</title>
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<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>
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</refsect1>
</refentry>