.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later

.. _FE_DISEQC_SEND_MASTER_CMD:

*******************************
ioctl FE_DISEQC_SEND_MASTER_CMD
*******************************

Name
====

FE_DISEQC_SEND_MASTER_CMD - Sends a DiSEqC command


Synopsis
========

.. c:function:: int ioctl( int fd, FE_DISEQC_SEND_MASTER_CMD, struct dvb_diseqc_master_cmd *argp )
    :name: FE_DISEQC_SEND_MASTER_CMD


Arguments
=========

``fd``
    File descriptor returned by :ref:`open() <frontend_f_open>`.

``argp``
    pointer to struct
    :c:type:`dvb_diseqc_master_cmd`


Description
===========

Sends the DiSEqC command pointed by :c:type:`dvb_diseqc_master_cmd`
to the antenna subsystem.

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.