[9dfc02f] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[b06ca36] | 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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[9dfc02f] | 4 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 5 | %general-entities;
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| 6 | ]>
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[bdea25ce] | 7 |
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[5bc82c5] | 8 | <sect1 id="ch-system-linux-headers" role="wrap">
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| 9 | <?dbhtml filename="linux-headers.html"?>
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[bdea25ce] | 10 |
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[e747759] | 11 | <sect1info condition="script">
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| 12 | <productname>linux</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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[b778fff] | 17 | <title>Linux-&linux-version; API Headers</title>
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[bdea25ce] | 18 |
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[5bc82c5] | 19 | <indexterm zone="ch-system-linux-headers">
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[b778fff] | 20 | <primary sortas="a-Linux">Linux</primary>
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| 21 | <secondary>API headers</secondary>
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[bdea25ce] | 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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[9dfc02f] | 26 |
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[55e49ce] | 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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[9dfc02f] | 29 |
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[bdea25ce] | 30 | <segmentedlist>
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| 31 | <segtitle>&buildtime;</segtitle>
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| 32 | <segtitle>&diskspace;</segtitle>
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[9dfc02f] | 33 |
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[bdea25ce] | 34 | <seglistitem>
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[5bc82c5] | 35 | <seg>&linux-headers-ch6-sbu;</seg>
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| 36 | <seg>&linux-headers-ch6-du;</seg>
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[bdea25ce] | 37 | </seglistitem>
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| 38 | </segmentedlist>
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[9dfc02f] | 39 |
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[bdea25ce] | 40 | </sect2>
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[9dfc02f] | 41 |
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[bdea25ce] | 42 | <sect2 role="installation">
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[b778fff] | 43 | <title>Installation of Linux API Headers</title>
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[81fd230] | 44 |
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[5bc82c5] | 45 | <para>The Linux kernel needs to expose an Application Programming Interface
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[e4b8b81] | 46 | (API) for the system's C library (Glibc in LFS) to use. This is done
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[5bc82c5] | 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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[bdea25ce] | 49 |
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[578f206e] | 50 | <para>Make sure there are no stale files and dependencies lying around
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[e4b8b81] | 51 | from previous activity:</para>
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[9dfc02f] | 52 |
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[bb0c3b3] | 53 | <screen><userinput remap="pre">make mrproper</userinput></screen>
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[e4b8b81] | 54 |
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| 55 | <para>Now test and extract the user-visible kernel headers from the source.
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| 56 | They are placed in an intermediate local directory and copied to the needed
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| 57 | location because the extraction process removes any existing files in
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[c883567] | 58 | the target directory. There are also some hidden files used by
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| 59 | the kernel developers and not needed by LFS that are removed from
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| 60 | the intermediate directory.</para>
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[e4b8b81] | 61 |
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[bb0c3b3] | 62 | <screen><userinput remap="make">make headers_check
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[f025bfe] | 63 | make INSTALL_HDR_PATH=dest headers_install
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[c883567] | 64 | find dest/include \( -name .install -o -name ..install.cmd \) -delete
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[bb0c3b3] | 65 | </userinput><userinput remap="install">cp -rv dest/include/* /usr/include</userinput></screen>
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[9dfc02f] | 66 |
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[bdea25ce] | 67 | </sect2>
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[9dfc02f] | 68 |
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[5bc82c5] | 69 | <sect2 id="contents-linux-headers" role="content">
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[b778fff] | 70 | <title>Contents of Linux API Headers</title>
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[ef57e3b] | 71 |
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[bdea25ce] | 72 | <segmentedlist>
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| 73 | <segtitle>Installed headers</segtitle>
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[fe05b08] | 74 | <segtitle>Installed directories</segtitle>
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[ef57e3b] | 75 |
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[bdea25ce] | 76 | <seglistitem>
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[7ec7f68] | 77 | <seg>/usr/include/asm/*.h, /usr/include/asm-generic/*.h,
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| 78 | /usr/include/drm/*.h, /usr/include/linux/*.h, /usr/include/mtd/*.h,
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[35cba410] | 79 | /usr/include/rdma/*.h, /usr/include/scsi/*.h, /usr/include/sound/*.h,
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| 80 | /usr/include/video/*.h, /usr/include/xen/*.h</seg>
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[fe05b08] | 81 | <seg>/usr/include/asm, /usr/include/asm-generic, /usr/include/drm,
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| 82 | /usr/include/linux, /usr/include/mtd, /usr/include/rdma,
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| 83 | /usr/include/scsi, /usr/include/sound, /usr/include/video, /usr/include/xen</seg>
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[bdea25ce] | 84 | </seglistitem>
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| 85 | </segmentedlist>
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[81fd230] | 86 |
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[bdea25ce] | 87 | <variablelist>
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| 88 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 89 | <?dbfo list-presentation="list"?>
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| 90 | <?dbhtml list-presentation="table"?>
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[81fd230] | 91 |
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[7ec7f68] | 92 | <varlistentry id="asm">
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| 93 | <term><filename class="headerfile">/usr/include/asm/*.h</filename></term>
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[bdea25ce] | 94 | <listitem>
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[35cba410] | 95 | <para>The Linux API ASM Headers</para>
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| 96 | <indexterm zone="ch-system-linux-headers asm">
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| 97 | <primary sortas="e-/usr/include/asm/*.h">/usr/include/asm/*.h</primary>
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| 98 | </indexterm>
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[bdea25ce] | 99 | </listitem>
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[35cba410] | 100 | </varlistentry>
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[7ec7f68] | 101 |
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| 102 | <varlistentry id="asm-generic">
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| 103 | <term><filename class="headerfile">/usr/include/asm-generic/*.h</filename></term>
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| 104 | <listitem>
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[35cba410] | 105 | <para>The Linux API ASM Generic Headers</para>
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| 106 | <indexterm zone="ch-system-linux-headers asm-generic">
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| 107 | <primary sortas="e-/usr/include/asm-generic/*.h">/usr/include/asm-generic/*.h</primary>
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| 108 | </indexterm>
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[7ec7f68] | 109 | </listitem>
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[35cba410] | 110 | </varlistentry>
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[7ec7f68] | 111 |
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| 112 | <varlistentry id="drm">
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| 113 | <term><filename class="headerfile">/usr/include/drm/*.h</filename></term>
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| 114 | <listitem>
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[35cba410] | 115 | <para>The Linux API DRM Headers</para>
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| 116 | <indexterm zone="ch-system-linux-headers drm">
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| 117 | <primary sortas="e-/usr/include/drm/*.h">/usr/include/drm/*.h</primary>
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| 118 | </indexterm>
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[7ec7f68] | 119 | </listitem>
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[35cba410] | 120 | </varlistentry>
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[7ec7f68] | 121 |
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| 122 | <varlistentry id="linux">
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| 123 | <term><filename class="headerfile">/usr/include/linux/*.h</filename></term>
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| 124 | <listitem>
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[35cba410] | 125 | <para>The Linux API Linux Headers</para>
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| 126 | <indexterm zone="ch-system-linux-headers linux">
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| 127 | <primary sortas="e-/usr/include/linux/*.h">/usr/include/linux/*.h</primary>
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| 128 | </indexterm>
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[7ec7f68] | 129 | </listitem>
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[35cba410] | 130 | </varlistentry>
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[7ec7f68] | 131 |
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| 132 | <varlistentry id="mtd">
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| 133 | <term><filename class="headerfile">/usr/include/mtd/*.h</filename></term>
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| 134 | <listitem>
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[35cba410] | 135 | <para>The Linux API MTD Headers</para>
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| 136 | <indexterm zone="ch-system-linux-headers mtd">
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| 137 | <primary sortas="e-/usr/include/mtd/*.h">/usr/include/mtd/*.h</primary>
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| 138 | </indexterm>
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[7ec7f68] | 139 | </listitem>
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[35cba410] | 140 | </varlistentry>
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[7ec7f68] | 141 |
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| 142 | <varlistentry id="rdma">
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| 143 | <term><filename class="headerfile">/usr/include/rdma/*.h</filename></term>
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| 144 | <listitem>
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[35cba410] | 145 | <para>The Linux API RDMA Headers</para>
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| 146 | <indexterm zone="ch-system-linux-headers rdma">
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| 147 | <primary sortas="e-/usr/include/rdma/*.h">/usr/include/rdma/*.h</primary>
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| 148 | </indexterm>
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[7ec7f68] | 149 | </listitem>
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[35cba410] | 150 | </varlistentry>
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| 151 |
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| 152 | <varlistentry id="scsi">
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| 153 | <term><filename class="headerfile">/usr/include/scsi/*.h</filename></term>
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| 154 | <listitem>
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| 155 | <para>The Linux API SCSI Headers</para>
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| 156 | <indexterm zone="ch-system-linux-headers scsi">
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| 157 | <primary sortas="e-/usr/include/scsi/*.h">/usr/include/scsi/*.h</primary>
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| 158 | </indexterm>
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| 159 | </listitem>
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| 160 | </varlistentry>
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[7ec7f68] | 161 |
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| 162 | <varlistentry id="sound">
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| 163 | <term><filename class="headerfile">/usr/include/sound/*.h</filename></term>
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| 164 | <listitem>
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[35cba410] | 165 | <para>The Linux API Sound Headers</para>
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| 166 | <indexterm zone="ch-system-linux-headers sound">
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| 167 | <primary sortas="e-/usr/include/sound/*.h">/usr/include/sound/*.h</primary>
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| 168 | </indexterm>
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[7ec7f68] | 169 | </listitem>
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[35cba410] | 170 | </varlistentry>
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[7ec7f68] | 171 |
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| 172 | <varlistentry id="video">
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| 173 | <term><filename class="headerfile">/usr/include/video/*.h</filename></term>
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| 174 | <listitem>
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[35cba410] | 175 | <para>The Linux API Video Headers</para>
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| 176 | <indexterm zone="ch-system-linux-headers video">
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| 177 | <primary sortas="e-/usr/include/video/*.h">/usr/include/video/*.h</primary>
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| 178 | </indexterm>
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| 179 | </listitem>
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| 180 | </varlistentry>
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| 181 |
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| 182 | <varlistentry id="xen">
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| 183 | <term><filename class="headerfile">/usr/include/xen/*.h</filename></term>
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| 184 | <listitem>
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| 185 | <para>The Linux API Xen Headers</para>
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| 186 | <indexterm zone="ch-system-linux-headers xen">
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| 187 | <primary sortas="e-/usr/include/xen/*.h">/usr/include/xen/*.h</primary>
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| 188 | </indexterm>
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[7ec7f68] | 189 | </listitem>
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[35cba410] | 190 | </varlistentry>
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[ef57e3b] | 191 |
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[bdea25ce] | 192 | </variablelist>
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[ef57e3b] | 193 |
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[bdea25ce] | 194 | </sect2>
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[81fd230] | 195 |
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[bdea25ce] | 196 | </sect1>
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