| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 5 | %general-entities;
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| 6 | ]>
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| 7 |
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| 8 | <sect1 id="ch-tools-linux-headers" role="wrap">
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| 9 | <?dbhtml filename="linux-headers.html"?>
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| 10 |
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| 11 | <sect1info condition="script">
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| 12 | <productname>linux-headers</productname>
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| 13 | <productnumber>&linux-version;</productnumber>
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| 14 | <address>&linux-url;</address>
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| 15 | </sect1info>
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| 16 |
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| 17 | <title>Linux-&linux-version; API Headers</title>
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| 18 |
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| 19 | <indexterm zone="ch-tools-linux-headers">
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| 20 | <primary sortas="a-Linux">Linux</primary>
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| 21 | <secondary>tools, API headers</secondary>
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| 22 | </indexterm>
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| 23 |
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| 24 | <sect2 role="package">
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| 25 | <title/>
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| 26 |
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| 27 | <para>The Linux API Headers (in linux-&linux-version;.tar.xz) expose the
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| 28 | kernel's API for use by Glibc.</para>
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| 29 |
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| 30 | <segmentedlist>
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| 31 | <segtitle>&buildtime;</segtitle>
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| 32 | <segtitle>&diskspace;</segtitle>
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| 33 |
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| 34 | <seglistitem>
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| 35 | <seg>&linux-headers-tmp-sbu;</seg>
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| 36 | <seg>&linux-headers-tmp-du;</seg>
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| 37 | </seglistitem>
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| 38 | </segmentedlist>
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| 39 |
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| 40 | </sect2>
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| 41 |
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| 42 | <sect2 role="installation">
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| 43 | <title>Installation of Linux API Headers</title>
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| 44 |
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| 45 | <para>The Linux kernel needs to expose an Application Programming Interface
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| 46 | (API) for the system's C library (Glibc in LFS) to use. This is done
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| 47 | by way of sanitizing various C header files that are shipped in the Linux
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| 48 | kernel source tarball.</para>
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| 49 |
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| 50 | <para>Make sure there are no stale files embedded in the package:</para>
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| 51 |
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| 52 | <screen><userinput remap="pre">make mrproper</userinput></screen>
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| 53 |
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| 54 | <para>Now extract the user-visible kernel headers from the source.
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| 55 | The recommended make target <quote>headers_install</quote> cannot be
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| 56 | used, because it requires <application>rsync</application>, which may not
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| 57 | be available. The headers are first placed in
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| 58 | <filename class="directory">./usr</filename>, then copied to the needed
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| 59 | location.</para>
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| 60 |
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| 61 | <screen><userinput remap="make">make headers
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| 62 | find usr/include -name '.*' -delete
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| 63 | rm usr/include/Makefile
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| 64 | </userinput><userinput remap="install">cp -rv usr/include $LFS/usr</userinput></screen>
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| 65 |
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| 66 | </sect2>
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| 67 |
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| 68 | <sect2 id="contents-linux-headers" role="content">
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| 69 | <title>Contents of Linux API Headers</title>
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| 70 |
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| 71 | <segmentedlist>
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| 72 | <segtitle>Installed headers</segtitle>
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| 73 | <segtitle>Installed directories</segtitle>
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| 74 |
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| 75 | <seglistitem>
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| 76 | <seg>/usr/include/asm/*.h, /usr/include/asm-generic/*.h,
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| 77 | /usr/include/drm/*.h, /usr/include/linux/*.h, /usr/include/misc/*.h,
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| 78 | /usr/include/mtd/*.h, /usr/include/rdma/*.h, /usr/include/scsi/*.h,
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| 79 | /usr/include/sound/*.h, /usr/include/video/*.h,
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| 80 | and /usr/include/xen/*.h</seg>
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| 81 | <seg>/usr/include/asm, /usr/include/asm-generic, /usr/include/drm,
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| 82 | /usr/include/linux, /usr/include/misc, /usr/include/mtd,
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| 83 | /usr/include/rdma, /usr/include/scsi, /usr/include/sound,
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| 84 | /usr/include/video, and /usr/include/xen</seg>
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| 85 | </seglistitem>
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| 86 | </segmentedlist>
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| 87 |
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| 88 | <variablelist>
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| 89 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 90 | <?dbfo list-presentation="list"?>
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| 91 | <?dbhtml list-presentation="table"?>
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| 92 |
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| 93 | <varlistentry id="asm">
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| 94 | <term><filename class="headerfile">/usr/include/asm/*.h</filename></term>
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| 95 | <listitem>
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| 96 | <para>The Linux API ASM Headers</para>
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| 97 | <indexterm zone="ch-tools-linux-headers asm">
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| 98 | <primary sortas="e-/usr/include/asm/*.h">/usr/include/asm/*.h</primary>
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| 99 | </indexterm>
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| 100 | </listitem>
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| 101 | </varlistentry>
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| 102 |
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| 103 | <varlistentry id="asm-generic">
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| 104 | <term><filename class="headerfile">/usr/include/asm-generic/*.h</filename></term>
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| 105 | <listitem>
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| 106 | <para>The Linux API ASM Generic Headers</para>
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| 107 | <indexterm zone="ch-tools-linux-headers asm-generic">
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| 108 | <primary sortas="e-/usr/include/asm-generic/*.h">/usr/include/asm-generic/*.h</primary>
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| 109 | </indexterm>
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| 110 | </listitem>
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| 111 | </varlistentry>
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| 112 |
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| 113 | <varlistentry id="drm">
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| 114 | <term><filename class="headerfile">/usr/include/drm/*.h</filename></term>
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| 115 | <listitem>
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| 116 | <para>The Linux API DRM Headers</para>
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| 117 | <indexterm zone="ch-tools-linux-headers drm">
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| 118 | <primary sortas="e-/usr/include/drm/*.h">/usr/include/drm/*.h</primary>
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| 119 | </indexterm>
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| 120 | </listitem>
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| 121 | </varlistentry>
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| 122 |
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| 123 | <varlistentry id="linux">
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| 124 | <term><filename class="headerfile">/usr/include/linux/*.h</filename></term>
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| 125 | <listitem>
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| 126 | <para>The Linux API Linux Headers</para>
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| 127 | <indexterm zone="ch-tools-linux-headers linux">
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| 128 | <primary sortas="e-/usr/include/linux/*.h">/usr/include/linux/*.h</primary>
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| 129 | </indexterm>
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| 130 | </listitem>
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| 131 | </varlistentry>
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| 132 |
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| 133 | <varlistentry id="misc">
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| 134 | <term><filename class="headerfile">/usr/include/misc/*.h</filename></term>
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| 135 | <listitem>
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| 136 | <para>The Linux API Miscellaneous Headers</para>
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| 137 | <indexterm zone="ch-tools-linux-headers misc">
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| 138 | <primary sortas="e-/usr/include/misc/*.h">/usr/include/misc/*.h</primary>
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| 139 | </indexterm>
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| 140 | </listitem>
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| 141 | </varlistentry>
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| 142 |
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| 143 | <varlistentry id="mtd">
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| 144 | <term><filename class="headerfile">/usr/include/mtd/*.h</filename></term>
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| 145 | <listitem>
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| 146 | <para>The Linux API MTD Headers</para>
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| 147 | <indexterm zone="ch-tools-linux-headers mtd">
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| 148 | <primary sortas="e-/usr/include/mtd/*.h">/usr/include/mtd/*.h</primary>
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| 149 | </indexterm>
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| 150 | </listitem>
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| 151 | </varlistentry>
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| 152 |
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| 153 | <varlistentry id="rdma">
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| 154 | <term><filename class="headerfile">/usr/include/rdma/*.h</filename></term>
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| 155 | <listitem>
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| 156 | <para>The Linux API RDMA Headers</para>
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| 157 | <indexterm zone="ch-tools-linux-headers rdma">
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| 158 | <primary sortas="e-/usr/include/rdma/*.h">/usr/include/rdma/*.h</primary>
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| 159 | </indexterm>
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| 160 | </listitem>
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| 161 | </varlistentry>
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| 162 |
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| 163 | <varlistentry id="scsi">
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| 164 | <term><filename class="headerfile">/usr/include/scsi/*.h</filename></term>
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| 165 | <listitem>
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| 166 | <para>The Linux API SCSI Headers</para>
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| 167 | <indexterm zone="ch-tools-linux-headers scsi">
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| 168 | <primary sortas="e-/usr/include/scsi/*.h">/usr/include/scsi/*.h</primary>
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| 169 | </indexterm>
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| 170 | </listitem>
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| 171 | </varlistentry>
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| 172 |
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| 173 | <varlistentry id="sound">
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| 174 | <term><filename class="headerfile">/usr/include/sound/*.h</filename></term>
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| 175 | <listitem>
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| 176 | <para>The Linux API Sound Headers</para>
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| 177 | <indexterm zone="ch-tools-linux-headers sound">
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| 178 | <primary sortas="e-/usr/include/sound/*.h">/usr/include/sound/*.h</primary>
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| 179 | </indexterm>
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| 180 | </listitem>
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| 181 | </varlistentry>
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| 182 |
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| 183 | <varlistentry id="video">
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| 184 | <term><filename class="headerfile">/usr/include/video/*.h</filename></term>
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| 185 | <listitem>
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| 186 | <para>The Linux API Video Headers</para>
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| 187 | <indexterm zone="ch-tools-linux-headers video">
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| 188 | <primary sortas="e-/usr/include/video/*.h">/usr/include/video/*.h</primary>
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| 189 | </indexterm>
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| 190 | </listitem>
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| 191 | </varlistentry>
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| 192 |
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| 193 | <varlistentry id="xen">
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| 194 | <term><filename class="headerfile">/usr/include/xen/*.h</filename></term>
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| 195 | <listitem>
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| 196 | <para>The Linux API Xen Headers</para>
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| 197 | <indexterm zone="ch-tools-linux-headers xen">
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| 198 | <primary sortas="e-/usr/include/xen/*.h">/usr/include/xen/*.h</primary>
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| 199 | </indexterm>
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| 200 | </listitem>
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| 201 | </varlistentry>
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| 202 |
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| 203 | </variablelist>
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| 204 |
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| 205 | </sect2>
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| 206 |
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| 207 | </sect1>
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