162306a36Sopenharmony_ci.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 262306a36Sopenharmony_ci.. c:namespace:: CEC 362306a36Sopenharmony_ci 462306a36Sopenharmony_ci.. _cec-func-close: 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci*********** 762306a36Sopenharmony_cicec close() 862306a36Sopenharmony_ci*********** 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ciName 1162306a36Sopenharmony_ci==== 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_cicec-close - Close a cec device 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ciSynopsis 1662306a36Sopenharmony_ci======== 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ci.. code-block:: c 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci #include <unistd.h> 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_ci.. c:function:: int close( int fd ) 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_ciArguments 2562306a36Sopenharmony_ci========= 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ci``fd`` 2862306a36Sopenharmony_ci File descriptor returned by :c:func:`open()`. 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ciDescription 3162306a36Sopenharmony_ci=========== 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_ciCloses the cec device. Resources associated with the file descriptor are 3462306a36Sopenharmony_cifreed. The device configuration remain unchanged. 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_ciReturn Value 3762306a36Sopenharmony_ci============ 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_ci:c:func:`close()` returns 0 on success. On error, -1 is returned, and 4062306a36Sopenharmony_ci``errno`` is set appropriately. Possible error codes are: 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_ci``EBADF`` 4362306a36Sopenharmony_ci ``fd`` is not a valid open file descriptor. 44