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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later .. c:namespace:: DTV.fe .. _frontend_f_close: *************************** Digital TV frontend close() *************************** Name ==== fe-close - Close a frontend device Synopsis ======== .. code-block:: c #include <unistd.h> .. c:function:: int close( int fd ) Arguments ========= ``fd`` File descriptor returned by :c:func:`open()`. Description =========== This system call closes a previously opened front-end device. After closing a front-end device, its corresponding hardware might be powered down automatically. 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 <gen-errors>` chapter. |