ca-get-slot-info.rst (1001B)
1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2.. c:namespace:: DTV.ca 3 4.. _CA_GET_SLOT_INFO: 5 6================ 7CA_GET_SLOT_INFO 8================ 9 10Name 11---- 12 13CA_GET_SLOT_INFO 14 15Synopsis 16-------- 17 18.. c:macro:: CA_GET_SLOT_INFO 19 20``int ioctl(fd, CA_GET_SLOT_INFO, struct ca_slot_info *info)`` 21 22Arguments 23--------- 24 25``fd`` 26 File descriptor returned by a previous call to :c:func:`open()`. 27 28``info`` 29 Pointer to struct :c:type:`ca_slot_info`. 30 31Description 32----------- 33 34Returns information about a CA slot identified by 35:c:type:`ca_slot_info`.slot_num. 36 37Return Value 38------------ 39 40On success 0 is returned, and :c:type:`ca_slot_info` is filled. 41 42On error -1 is returned, and the ``errno`` variable is set 43appropriately. 44 45.. tabularcolumns:: |p{2.5cm}|p{15.0cm}| 46 47.. flat-table:: 48 :header-rows: 0 49 :stub-columns: 0 50 :widths: 1 16 51 52 - - ``ENODEV`` 53 - the slot is not available. 54 55The generic error codes are described at the 56:ref:`Generic Error Codes <gen-errors>` chapter.