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1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later2.. c:namespace:: V4L3 4.. _func-close:5 6************7V4L2 close()8************9 10Name11====12 13v4l2-close - Close a V4L2 device14 15Synopsis16========17 18.. code-block:: c19 20 #include <unistd.h>21 22.. c:function:: int close( int fd )23 24Arguments25=========26 27``fd``28 File descriptor returned by :c:func:`open()`.29 30Description31===========32 33Closes the device. Any I/O in progress is terminated and resources34associated with the file descriptor are freed. However data format35parameters, current input or output, control values or other properties36remain unchanged.37 38Return Value39============40 41The function returns 0 on success, -1 on failure and the ``errno`` is42set appropriately. Possible error codes:43 44EBADF45 ``fd`` is not a valid open file descriptor.46