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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>Chapter 10. Routines and Conventions</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="Unreliable Guide To Hacking The Linux Kernel" /><link rel="up" href="index.html" title="Unreliable Guide To Hacking The Linux Kernel" /><link rel="prev" href="ch09s02.html" title="EXPORT_SYMBOL_GPL() include/linux/module.h" /><link rel="next" href="ch10s02.html" title="Return Conventions" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 10. Routines and Conventions</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch09s02.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="ch10s02.html">Next</a></td></tr></table><hr /></div><div class="chapter" title="Chapter 10. Routines and Conventions"><div class="titlepage"><div><div><h2 class="title"><a id="conventions"></a>Chapter 10. Routines and Conventions</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="ch10.html#conventions-doublelinkedlist">Double-linked lists
<code class="filename">include/linux/list.h</code></a></span></dt><dt><span class="sect1"><a href="ch10s02.html">Return Conventions</a></span></dt><dt><span class="sect1"><a href="ch10s03.html">Breaking Compilation</a></span></dt><dt><span class="sect1"><a href="ch10s04.html">Initializing structure members</a></span></dt><dt><span class="sect1"><a href="ch10s05.html">GNU Extensions</a></span></dt><dt><span class="sect1"><a href="ch10s06.html">C++</a></span></dt><dt><span class="sect1"><a href="ch10s07.html">#if</a></span></dt></dl></div><div class="sect1" title="Double-linked lists include/linux/list.h"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="conventions-doublelinkedlist"></a>Double-linked lists
<code class="filename">include/linux/list.h</code></h2></div></div></div><p>
There used to be three sets of linked-list routines in the kernel
headers, but this one is the winner. If you don't have some
particular pressing need for a single list, it's a good choice.
</p><p>
In particular, <code class="function">list_for_each_entry</code> is useful.
</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch09s02.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="ch10s02.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><code class="function">EXPORT_SYMBOL_GPL()</code>
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