Lines Matching +full:write +full:- +full:to +full:- +full:write

1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
4 .. _func-write:
7 V4L2 write()
13 v4l2-write - Write to a V4L2 device
18 .. code-block:: c
22 .. c:function:: ssize_t write( int fd, void *buf, size_t count )
31      Buffer with data to be written
39 :c:func:`write()` writes up to ``count`` bytes to the device
42 enables them. When ``count`` is zero, :c:func:`write()` returns 0
54 nothing was written. On error, -1 is returned, and the ``errno``
55 variable is set appropriately. In this case the next write will start at
59     Non-blocking I/O has been selected using the
60     :ref:`O_NONBLOCK <func-open>` flag and no buffer space was
61     available to write the data immediately.
67     The driver does not support multiple write streams and the device is
80     The :c:func:`write()` function is not supported by this driver,