1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2 .. c:namespace:: DTV.ca 3 4 .. _CA_GET_CAP: 5 6 ========== 7 CA_GET_CAP 8 ========== 9 10 Name 11 ---- 12 13 CA_GET_CAP 14 15 Synopsis 16 -------- 17 18 .. c:macro:: CA_GET_CAP 19 20 ``int ioctl(fd, CA_GET_CAP, struct ca_caps *caps)`` 21 22 Arguments 23 --------- 24 25 ``fd`` 26 File descriptor returned by a previous call to :c:func:`open()`. 27 28 ``caps`` 29 Pointer to struct :c:type:`ca_caps`. 30 31 Description 32 ----------- 33 34 Queries the Kernel for information about the available CA and descrambler 35 slots, and their types. 36 37 Return Value 38 ------------ 39 40 On success 0 is returned and :c:type:`ca_caps` is filled. 41 42 On error, -1 is returned and the ``errno`` variable is set 43 appropriately. 44 45 The generic error codes are described at the 46 :ref:`Generic Error Codes <gen-errors>` chapter.
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.