man/udev_enumerate_add_match_parent.html


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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>udev_enumerate_add_match_subsystem</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><style>
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  <span style="float:right">systemd 221</span><hr><div class="refentry"><a name="udev_enumerate_add_match_subsystem"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>udev_enumerate_add_match_subsystem, udev_enumerate_add_nomatch_subsystem, udev_enumerate_add_match_sysattr, udev_enumerate_add_nomatch_sysattr, udev_enumerate_add_match_property, udev_enumerate_add_match_sysname, udev_enumerate_add_match_tag, udev_enumerate_add_match_parent, udev_enumerate_add_match_is_initialized — Modify filters</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><pre class="funcsynopsisinfo">#include &lt;libudev.h&gt;</pre><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">udev_enumerate_add_match_subsystem</b>(</code></td><td>struct udev_enumerate *<var class="pdparam">udev_enumerate</var>, </td></tr><tr><td> </td><td>const char *<var class="pdparam">subsystem</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">udev_enumerate_add_nomatch_subsystem</b>(</code></td><td>struct udev_enumerate *<var class="pdparam">udev_enumerate</var>, </td></tr><tr><td> </td><td>const char *<var class="pdparam">subsystem</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">udev_enumerate_add_match_sysattr</b>(</code></td><td>struct udev_enumerate *<var class="pdparam">udev_enumerate</var>, </td></tr><tr><td> </td><td>const char *<var class="pdparam">sysattr</var>, </td></tr><tr><td> </td><td>const char *<var class="pdparam">value</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">udev_enumerate_add_nomatch_sysattr</b>(</code></td><td>struct udev_enumerate *<var class="pdparam">udev_enumerate</var>, </td></tr><tr><td> </td><td>const char *<var class="pdparam">sysattr</var>, </td></tr><tr><td> </td><td>const char *<var class="pdparam">value</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">udev_enumerate_add_match_property</b>(</code></td><td>struct udev_enumerate *<var class="pdparam">udev_enumerate</var>, </td></tr><tr><td> </td><td>const char *<var class="pdparam">property</var>, </td></tr><tr><td> </td><td>const char *<var class="pdparam">value</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">udev_enumerate_add_match_sysname</b>(</code></td><td>struct udev_enumerate *<var class="pdparam">udev_enumerate</var>, </td></tr><tr><td> </td><td>const char *<var class="pdparam">sysname</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">udev_enumerate_add_match_tag</b>(</code></td><td>struct udev_enumerate *<var class="pdparam">udev_enumerate</var>, </td></tr><tr><td> </td><td>const char *<var class="pdparam">tag</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">udev_enumerate_add_match_parent</b>(</code></td><td>struct udev_enumerate *<var class="pdparam">udev_enumerate</var>, </td></tr><tr><td> </td><td>struct udev_device *<var class="pdparam">parent</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">udev_enumerate_add_match_is_initialized</b>(</code></td><td>struct udev_enumerate *<var class="pdparam">udev_enumerate</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="idm47572618181888"></a><h2 id="Return Value">Return Value<a class="headerlink" title="Permalink to this headline" href="#Return%20Value">¶</a></h2><p>On success,
    <code class="function">udev_enumerate_add_match_subsystem</code>,
    <code class="function">udev_enumerate_add_nomatch_subsystem</code>,
    <code class="function">udev_enumerate_add_match_sysattr</code>,
    <code class="function">udev_enumerate_add_nomatch_sysattr</code>,
    <code class="function">udev_enumerate_add_match_property</code>,
    <code class="function">udev_enumerate_add_match_sysname</code>,
    <code class="function">udev_enumerate_add_match_tag</code>,
    <code class="function">udev_enumerate_add_match_parent</code> and
    <code class="function">udev_enumerate_add_match_is_initialized</code>
    return an integer greater than, or equal to,
    <code class="constant">0</code>.</p></div><div class="refsect1"><a name="idm47572618174848"></a><h2 id="See Also">See Also<a class="headerlink" title="Permalink to this headline" href="#See%20Also">¶</a></h2><p>
      <a href="udev_new.html"><span class="citerefentry"><span class="refentrytitle">udev_new</span>(3)</span></a>,
      <a href="udev_device_new_from_syspath.html"><span class="citerefentry"><span class="refentrytitle">udev_device_new_from_syspath</span>(3)</span></a>,
      <a href="udev_enumerate_new.html"><span class="citerefentry"><span class="refentrytitle">udev_enumerate_new</span>(3)</span></a>,
      <a href="udev_enumerate_scan_devices.html"><span class="citerefentry"><span class="refentrytitle">udev_enumerate_scan_devices</span>(3)</span></a>,
      <a href="udev_monitor_new_from_netlink.html"><span class="citerefentry"><span class="refentrytitle">udev_monitor_new_from_netlink</span>(3)</span></a>,
      <a href="udev_list_entry.html"><span class="citerefentry"><span class="refentrytitle">udev_list_entry</span>(3)</span></a>,
      <a href="systemd.html"><span class="citerefentry"><span class="refentrytitle">systemd</span>(1)</span></a>,
    </p></div></div></body></html>