.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later .. c:namespace:: DTV.ca

.. _CA_GET_DESCR_INFO:

================= CA_GET_DESCR_INFO

Name

CA_GET_DESCR_INFO

Synopsis

.. c:macro:: CA_GET_DESCR_INFO

int ioctl(fd, CA_GET_DESCR_INFO, struct ca_descr_info *desc)

Arguments

fd File descriptor returned by a previous call to :c:func:open().

desc Pointer to struct :c:type:ca_descr_info.

Description

Returns information about all descrambler slots.

Return Value

On success 0 is returned, and :c:type:ca_descr_info is filled.

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