1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2.. c:namespace:: DTV.dmx 3 4.. _dmx_fclose: 5 6======================== 7Digital TV demux close() 8======================== 9 10Name 11---- 12 13Digital TV demux 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 25 :c:func:`open()`. 26 27Description 28----------- 29 30This system call deactivates and deallocates a filter that was 31previously allocated via the :c:func:`open()` call. 32 33Return Value 34------------ 35 36On success 0 is returned. 37 38On error, -1 is returned and the ``errno`` variable is set 39appropriately. 40 41The generic error codes are described at the 42:ref:`Generic Error Codes <gen-errors>` chapter. 43