ubuntu-linux-kernel/Documentation/media/uapi/dvb/fe-diseqc-recv-slave-reply.rst

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.. -*- coding: utf-8; mode: rst -*-
.. _FE_DISEQC_RECV_SLAVE_REPLY:
********************************
ioctl FE_DISEQC_RECV_SLAVE_REPLY
********************************
Name
====
FE_DISEQC_RECV_SLAVE_REPLY - Receives reply from a DiSEqC 2.0 command
Synopsis
========
.. c:function:: int ioctl( int fd, FE_DISEQC_RECV_SLAVE_REPLY, struct dvb_diseqc_slave_reply *argp )
:name: FE_DISEQC_RECV_SLAVE_REPLY
Arguments
=========
``fd``
File descriptor returned by :ref:`open() <frontend_f_open>`.
``argp``
pointer to struct :c:type:`dvb_diseqc_slave_reply`.
Description
===========
Receives reply from a DiSEqC 2.0 command.
The received message is stored at the buffer pointed by ``argp``.
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.