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197 lines
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>udev_list</title>
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<a href="#libudev-udev-list.synopsis" class="shortcut">Top</a>
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<a href="#libudev-udev-list.description" class="shortcut">Description</a>
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<div class="refentry">
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<a name="libudev-udev-list"></a><div class="titlepage"></div>
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<div class="refnamediv"><table width="100%"><tr>
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<td valign="top">
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<h2><span class="refentrytitle"><a name="libudev-udev-list.top_of_page"></a>udev_list</span></h2>
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<p>udev_list — list operation</p>
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</td>
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<td valign="top" align="right"></td>
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</tr></table></div>
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<div class="refsynopsisdiv">
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<a name="libudev-udev-list.synopsis"></a><h2>Synopsis</h2>
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<pre class="synopsis">struct <a class="link" href="libudev-udev-list.html#udev-list-entry" title="struct udev_list_entry">udev_list_entry</a>;
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struct <a class="link" href="libudev-udev-list.html#udev-list-entry" title="struct udev_list_entry"><span class="returnvalue">udev_list_entry</span></a> * <a class="link" href="libudev-udev-list.html#udev-list-entry-get-next" title="udev_list_entry_get_next ()">udev_list_entry_get_next</a> (<em class="parameter"><code><span class="type">struct udev_list_entry</span> *list_entry</code></em>);
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struct <a class="link" href="libudev-udev-list.html#udev-list-entry" title="struct udev_list_entry"><span class="returnvalue">udev_list_entry</span></a> * <a class="link" href="libudev-udev-list.html#udev-list-entry-get-by-name" title="udev_list_entry_get_by_name ()">udev_list_entry_get_by_name</a> (<em class="parameter"><code><span class="type">struct udev_list_entry</span> *list_entry</code></em>,
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<em class="parameter"><code>const <span class="type">char</span> *name</code></em>);
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const <span class="returnvalue">char</span> * <a class="link" href="libudev-udev-list.html#udev-list-entry-get-name" title="udev_list_entry_get_name ()">udev_list_entry_get_name</a> (<em class="parameter"><code><span class="type">struct udev_list_entry</span> *list_entry</code></em>);
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const <span class="returnvalue">char</span> * <a class="link" href="libudev-udev-list.html#udev-list-entry-get-value" title="udev_list_entry_get_value ()">udev_list_entry_get_value</a> (<em class="parameter"><code><span class="type">struct udev_list_entry</span> *list_entry</code></em>);
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#define <a class="link" href="libudev-udev-list.html#udev-list-entry-foreach" title="udev_list_entry_foreach()">udev_list_entry_foreach</a> (list_entry,
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first_entry)
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</pre>
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</div>
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<div class="refsect1">
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<a name="libudev-udev-list.description"></a><h2>Description</h2>
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<p>
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Libudev list operations.
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</p>
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</div>
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<div class="refsect1">
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<a name="libudev-udev-list.details"></a><h2>Details</h2>
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<div class="refsect2">
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<a name="udev-list-entry"></a><h3>struct udev_list_entry</h3>
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<pre class="programlisting">struct udev_list_entry;</pre>
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<p>
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Opaque object representing one entry in a list. An entry contains
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contains a name, and optionally a value.
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</p>
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</div>
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<hr>
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<div class="refsect2">
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<a name="udev-list-entry-get-next"></a><h3>udev_list_entry_get_next ()</h3>
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<pre class="programlisting">struct <a class="link" href="libudev-udev-list.html#udev-list-entry" title="struct udev_list_entry"><span class="returnvalue">udev_list_entry</span></a> * udev_list_entry_get_next (<em class="parameter"><code><span class="type">struct udev_list_entry</span> *list_entry</code></em>);</pre>
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<p>
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Get the next entry from the list.
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</p>
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<div class="variablelist"><table border="0" class="variablelist">
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<colgroup>
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<col align="left" valign="top">
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<col>
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</colgroup>
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>list_entry</code></em> :</span></p></td>
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<td>current entry</td>
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</tr>
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<tr>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td>udev_list_entry, <span class="type">NULL</span> if no more entries are available.</td>
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</tr>
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</tbody>
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</table></div>
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</div>
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<hr>
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<div class="refsect2">
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<a name="udev-list-entry-get-by-name"></a><h3>udev_list_entry_get_by_name ()</h3>
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<pre class="programlisting">struct <a class="link" href="libudev-udev-list.html#udev-list-entry" title="struct udev_list_entry"><span class="returnvalue">udev_list_entry</span></a> * udev_list_entry_get_by_name (<em class="parameter"><code><span class="type">struct udev_list_entry</span> *list_entry</code></em>,
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<em class="parameter"><code>const <span class="type">char</span> *name</code></em>);</pre>
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<p>
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Lookup an entry in the list with a certain name.
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</p>
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<div class="variablelist"><table border="0" class="variablelist">
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<colgroup>
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<col align="left" valign="top">
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<col>
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</colgroup>
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>list_entry</code></em> :</span></p></td>
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<td>current entry</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>name</code></em> :</span></p></td>
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<td>name string to match</td>
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</tr>
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<tr>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td>udev_list_entry, <span class="type">NULL</span> if no matching entry is found.</td>
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</tr>
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</tbody>
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</table></div>
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</div>
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<hr>
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<div class="refsect2">
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<a name="udev-list-entry-get-name"></a><h3>udev_list_entry_get_name ()</h3>
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<pre class="programlisting">const <span class="returnvalue">char</span> * udev_list_entry_get_name (<em class="parameter"><code><span class="type">struct udev_list_entry</span> *list_entry</code></em>);</pre>
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<p>
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Get the name of a list entry.
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</p>
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<div class="variablelist"><table border="0" class="variablelist">
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<colgroup>
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<col align="left" valign="top">
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<col>
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</colgroup>
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>list_entry</code></em> :</span></p></td>
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<td>current entry</td>
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</tr>
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<tr>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td>the name string of this entry.</td>
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</tr>
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</tbody>
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</table></div>
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</div>
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<hr>
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<div class="refsect2">
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<a name="udev-list-entry-get-value"></a><h3>udev_list_entry_get_value ()</h3>
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<pre class="programlisting">const <span class="returnvalue">char</span> * udev_list_entry_get_value (<em class="parameter"><code><span class="type">struct udev_list_entry</span> *list_entry</code></em>);</pre>
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<p>
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Get the value of list entry.
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</p>
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<div class="variablelist"><table border="0" class="variablelist">
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<colgroup>
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<col align="left" valign="top">
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<col>
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</colgroup>
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>list_entry</code></em> :</span></p></td>
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<td>current entry</td>
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</tr>
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<tr>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td>the value string of this entry.</td>
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</tr>
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</tbody>
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</table></div>
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</div>
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<hr>
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<div class="refsect2">
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<a name="udev-list-entry-foreach"></a><h3>udev_list_entry_foreach()</h3>
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<pre class="programlisting">#define udev_list_entry_foreach(list_entry, first_entry)</pre>
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<p>
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Helper to iterate over all entries of a list.
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</p>
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<div class="variablelist"><table border="0" class="variablelist">
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<colgroup>
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<col align="left" valign="top">
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<col>
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</colgroup>
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>list_entry</code></em> :</span></p></td>
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<td>entry to store the current position</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>first_entry</code></em> :</span></p></td>
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<td>first entry to start with</td>
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</tr>
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</tbody>
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</table></div>
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</div>
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</div>
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</div>
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<hr>
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