.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later .. c:namespace:: DTV.ca .. _ca_fclose: ===================== Digital TV CA close() ===================== Name ---- Digital TV CA close() Synopsis -------- .. c:function:: int close(int fd) Arguments --------- ``fd`` File descriptor returned by a previous call to :c:func:`open()`. Description ----------- This system call closes a previously opened CA device. Return Value ------------ On success 0 is returned. On error -1 is returned, and the ``errno`` variable is set appropriately. Generic error codes are described at the :ref:`Generic Error Codes ` chapter.