| .. 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. |