<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>udev_list</title> <meta name="generator" content="DocBook XSL Stylesheets V1.75.2"> <link rel="home" href="index.html" title="libudev Reference Manual"> <link rel="up" href="ch01.html" title="libudev"> <link rel="prev" href="libudev-udev.html" title="udev"> <link rel="next" href="libudev-udev-device.html" title="udev_device"> <meta name="generator" content="GTK-Doc V1.14 (XML mode)"> <link rel="stylesheet" href="style.css" type="text/css"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"> <tr valign="middle"> <td><a accesskey="p" href="libudev-udev.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td> <td><a accesskey="u" href="ch01.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td> <td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td> <th width="100%" align="center">libudev Reference Manual</th> <td><a accesskey="n" href="libudev-udev-device.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td> </tr> <tr><td colspan="5" class="shortcuts"> <a href="#libudev-udev-list.synopsis" class="shortcut">Top</a> | <a href="#libudev-udev-list.description" class="shortcut">Description</a> </td></tr> </table> <div class="refentry" title="udev_list"> <a name="libudev-udev-list"></a><div class="titlepage"></div> <div class="refnamediv"><table width="100%"><tr> <td valign="top"> <h2><span class="refentrytitle"><a name="libudev-udev-list.top_of_page"></a>udev_list</span></h2> <p>udev_list — list operation</p> </td> <td valign="top" align="right"></td> </tr></table></div> <div class="refsynopsisdiv" title="Synopsis"> <a name="libudev-udev-list.synopsis"></a><h2>Synopsis</h2> <pre class="synopsis">struct <a class="link" href="libudev-udev-list.html#udev-list-entry" title="struct udev_list_entry">udev_list_entry</a>; 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>); 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>, <em class="parameter"><code>const <span class="type">char</span> *name</code></em>); 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>); 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>); #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, first_entry) </pre> </div> <div class="refsect1" title="Description"> <a name="libudev-udev-list.description"></a><h2>Description</h2> <p> Libudev list operations. </p> </div> <div class="refsect1" title="Details"> <a name="libudev-udev-list.details"></a><h2>Details</h2> <div class="refsect2" title="struct udev_list_entry"> <a name="udev-list-entry"></a><h3>struct udev_list_entry</h3> <pre class="programlisting">struct udev_list_entry;</pre> <p> Opaque object representing one entry in a list. An entry contains contains a name, and optionally a value. </p> </div> <hr> <div class="refsect2" title="udev_list_entry_get_next ()"> <a name="udev-list-entry-get-next"></a><h3>udev_list_entry_get_next ()</h3> <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> <div class="variablelist"><table border="0"> <col align="left" valign="top"> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>list_entry</code></em> :</span></p></td> <td>current entry </td> </tr> <tr> <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> <td> the next entry from the list, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><span class="type">NULL</span></a> is no more entries are found. </td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" title="udev_list_entry_get_by_name ()"> <a name="udev-list-entry-get-by-name"></a><h3>udev_list_entry_get_by_name ()</h3> <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>, <em class="parameter"><code>const <span class="type">char</span> *name</code></em>);</pre> <div class="variablelist"><table border="0"> <col align="left" valign="top"> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>list_entry</code></em> :</span></p></td> <td>current entry </td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>name</code></em> :</span></p></td> <td>name string to match </td> </tr> <tr> <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> <td> the entry where <em class="parameter"><code>name</code></em> matched, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><span class="type">NULL</span></a> if no matching entry is found. </td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" title="udev_list_entry_get_name ()"> <a name="udev-list-entry-get-name"></a><h3>udev_list_entry_get_name ()</h3> <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> <div class="variablelist"><table border="0"> <col align="left" valign="top"> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>list_entry</code></em> :</span></p></td> <td>current entry </td> </tr> <tr> <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> <td> the name string of this entry. </td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" title="udev_list_entry_get_value ()"> <a name="udev-list-entry-get-value"></a><h3>udev_list_entry_get_value ()</h3> <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> <div class="variablelist"><table border="0"> <col align="left" valign="top"> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>list_entry</code></em> :</span></p></td> <td>current entry </td> </tr> <tr> <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> <td> the value string of this entry. </td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" title="udev_list_entry_foreach()"> <a name="udev-list-entry-foreach"></a><h3>udev_list_entry_foreach()</h3> <pre class="programlisting">#define udev_list_entry_foreach(list_entry, first_entry)</pre> <p> Helper to iterate over all entries of a list. </p> <div class="variablelist"><table border="0"> <col align="left" valign="top"> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>list_entry</code></em> :</span></p></td> <td>entry to store the current position </td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>first_entry</code></em> :</span></p></td> <td>first entry to start with </td> </tr> </tbody> </table></div> </div> </div> </div> <div class="footer"> <hr> Generated by GTK-Doc V1.14</div> </body> </html>