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.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _frontend_f_close:
***************************
Digital TV frontend close()
***************************
Name
====
fe-close - Close a frontend device
Synopsis
========
.. code-block:: c
#include <unistd.h>
.. c:function:: int close( int fd )
Arguments
=========
``fd``
File descriptor returned by :c:func:`open()`.
Description
===========
This system call closes a previously opened front-end device. After
closing a front-end device, its corresponding hardware might be powered
down automatically.
Return Value
============
On success 0 is returned.
On error -1 is returned, and the ``errno`` variable is set
appropriately.
Generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.
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