1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2.. c:namespace:: DTV.ca 3 4.. _ca_fclose: 5 6===================== 7Digital TV CA close() 8===================== 9 10Name 11---- 12 13Digital TV CA close() 14 15Synopsis 16-------- 17 18.. c:function:: int close(int fd) 19 20Arguments 21--------- 22 23``fd`` 24 File descriptor returned by a previous call to :c:func:`open()`. 25 26Description 27----------- 28 29This system call closes a previously opened CA device. 30 31Return Value 32------------ 33 34On success 0 is returned. 35 36On error -1 is returned, and the ``errno`` variable is set 37appropriately. 38 39Generic error codes are described at the 40:ref:`Generic Error Codes <gen-errors>` chapter. 41