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<refentry id="func-close">
<refmeta>
<refentrytitle>V4L2 close()</refentrytitle>
&manvol;
</refmeta>
<refnamediv>
<refname>v4l2-close</refname>
<refpurpose>Close a V4L2 device</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis>
<funcsynopsisinfo>#include <unistd.h></funcsynopsisinfo>
<funcprototype>
<funcdef>int <function>close</function></funcdef>
<paramdef>int <parameter>fd</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Arguments</title>
<variablelist>
<varlistentry>
<term><parameter>fd</parameter></term>
<listitem>
<para>&fd;</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Description</title>
<para>Closes the device. Any I/O in progress is terminated and
resources associated with the file descriptor are freed. However data
format parameters, current input or output, control values or other
properties remain unchanged.</para>
</refsect1>
<refsect1>
<title>Return Value</title>
<para>The function returns <returnvalue>0</returnvalue> on
success, <returnvalue>-1</returnvalue> on failure and the
<varname>errno</varname> is set appropriately. Possible error
codes:</para>
<variablelist>
<varlistentry>
<term><errorcode>EBADF</errorcode></term>
<listitem>
<para><parameter>fd</parameter> is not a valid open file
descriptor.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
</refentry>
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