44 lines · plain
1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later2.. c:namespace:: DTV.ca3 4.. _CA_GET_DESCR_INFO:5 6=================7CA_GET_DESCR_INFO8=================9 10Name11----12 13CA_GET_DESCR_INFO14 15Synopsis16--------17 18.. c:macro:: CA_GET_DESCR_INFO19 20``int ioctl(fd, CA_GET_DESCR_INFO, struct ca_descr_info *desc)``21 22Arguments23---------24 25``fd``26 File descriptor returned by a previous call to :c:func:`open()`.27 28``desc``29 Pointer to struct :c:type:`ca_descr_info`.30 31Description32-----------33 34Returns information about all descrambler slots.35 36Return Value37------------38 39On success 0 is returned, and :c:type:`ca_descr_info` is filled.40 41On error -1 is returned, and the ``errno`` variable is set42appropriately. The generic error codes are described at the43:ref:`Generic Error Codes <gen-errors>` chapter.44