Sophie: kernel-doc-3.11.10-100.fc18 noarch

kernel-doc-3.11.10-100.fc18.noarch.rpm

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>list_first_entry_or_null</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /><link rel="home" href="index.html" title="The Linux Kernel API" /><link rel="up" href="adt.html#idm139749907950768" title="Doubly Linked Lists" /><link rel="prev" href="API-list-first-entry.html" title="list_first_entry" /><link rel="next" href="API-list-for-each.html" title="list_for_each" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">list_first_entry_or_null</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-list-first-entry.html">Prev</a>&#160;</td><th width="60%" align="center">Doubly Linked Lists</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-list-for-each.html">Next</a></td></tr></table><hr /></div><div class="refentry"><a id="API-list-first-entry-or-null"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>list_first_entry_or_null &#8212; 
     get the first element from a list
 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef"> <strong class="fsfunc">list_first_entry_or_null </strong>(</code></td><td> <var class="pdparam">ptr</var>, </td></tr><tr><td>&#160;</td><td> <var class="pdparam">type</var>, </td></tr><tr><td>&#160;</td><td> <var class="pdparam">member</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a id="idm139749903159696"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>ptr</code></em></span></dt><dd><p>
     the list head to take the element from.
    </p></dd><dt><span class="term"><em class="parameter"><code>type</code></em></span></dt><dd><p>
     the type of the struct this is embedded in.
    </p></dd><dt><span class="term"><em class="parameter"><code>member</code></em></span></dt><dd><p>
     the name of the list_struct within the struct.
    </p></dd></dl></div></div><div class="refsect1"><a id="idm139749903152832"></a><h2>Description</h2><p>
   Note that if the list is empty, it returns NULL.
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