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<!ENTITY % general-entities SYSTEM "../general.ent">
%general-entities;
]>
<sect1 id="ch-system-linux-headers" role="wrap">
<?dbhtml filename="linux-headers.html"?>
<sect1info condition="script">
<productname>linux</productname>
<productnumber>&linux-version;</productnumber>
<address>&linux-url;</address>
</sect1info>
<title>Linux-&linux-version; API Headers</title>
<indexterm zone="ch-system-linux-headers">
<primary sortas="a-Linux">Linux</primary>
<secondary>API headers</secondary>
</indexterm>
<sect2 role="package">
<title/>
<para>The Linux API Headers expose the kernel's API for use by Glibc.</para>
<segmentedlist>
<segtitle>&buildtime;</segtitle>
<segtitle>&diskspace;</segtitle>
<seglistitem>
<seg>&linux-headers-ch6-sbu;</seg>
<seg>&linux-headers-ch6-du;</seg>
</seglistitem>
</segmentedlist>
</sect2>
<sect2 role="installation">
<title>Installation of Linux API Headers</title>
<para>The Linux kernel needs to expose an Application Programming Interface
(API) for the system's C library (Glibc in LFS) to utilize. This is done
by way of sanitizing various C header files that are shipped in the Linux
kernel source tarball.</para>
<para>Install the header files:</para>
<screen><userinput remap="install">make mrproper
make headers_check
make INSTALL_HDR_PATH=dest headers_install
cp -rv dest/include/* /usr/include</userinput></screen>
</sect2>
<sect2 id="contents-linux-headers" role="content">
<title>Contents of Linux API Headers</title>
<segmentedlist>
<segtitle>Installed headers</segtitle>
<seglistitem>
<seg>/usr/include/{asm{,-generic},linux,mtd,rdma,sound,video}/*.h</seg>
</seglistitem>
</segmentedlist>
<variablelist>
<bridgehead renderas="sect3">Short Descriptions</bridgehead>
<?dbfo list-presentation="list"?>
<?dbhtml list-presentation="table"?>
<varlistentry id="linux-headers">
<term><filename class="headerfile">/usr/include/{asm{,-generic},linux,mtd,rdma,sound}/*.h</filename></term>
<listitem>
<para>The Linux API headers</para>
<indexterm zone="ch-system-linux-headers linux-headers">
<!-- No /*.h here to prevent a PDF line overflow -->
<primary sortas="e-/usr/include/{asm{,-generic},linux,mtd,rdma,sound}">/usr/include/{asm{,-generic},linux,mtd,rdma,sound,video}</primary>
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</listitem>
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</sect2>
</sect1>
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