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.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.ca
.. _CA_SET_DESCR:
============
CA_SET_DESCR
============
Name
----
CA_SET_DESCR
Synopsis
--------
.. c:macro:: CA_SET_DESCR
``int ioctl(fd, CA_SET_DESCR, struct ca_descr *desc)``
Arguments
---------
``fd``
File descriptor returned by a previous call to :c:func:`open()`.
``msg``
Pointer to struct :c:type:`ca_descr`.
Description
-----------
CA_SET_DESCR is used for feeding descrambler CA slots with descrambling
keys (referred as control words).
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.
[Dauer der Verarbeitung: 0.18 Sekunden, vorverarbeitet 2026-10-02]
