.. -*- coding: utf-8; mode: rst -*-

.. _CA_SET_DESCR:

============
CA_SET_DESCR
============

Name
----

CA_SET_DESCR


Synopsis
--------

.. c:function:: int ioctl(fd, CA_SET_DESCR, struct ca_descr *desc)
    :name: CA_SET_DESCR


Arguments
---------

``fd``
  File descriptor returned by a previous call to :c:func:`open() <cec-open>`.

``msg``
  Pointer to struct :c:type:`ca_descr`.


Description
-----------

.. note:: This ioctl is undocumented. Documentation is welcome.


Return Value
------------

On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.
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