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-.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
-.. c:namespace:: DTV.audio
-
-.. _audio_fwrite:
-
-=========================
-Digital TV audio write()
-=========================
-
-Name
-----
-
-Digital TV audio write()
-
-.. attention:: This ioctl is deprecated
-
-Synopsis
---------
-
-.. c:function:: size_t write(int fd, const void *buf, size_t count)
-
-Arguments
----------
-
-.. flat-table::
- :header-rows: 0
- :stub-columns: 0
-
- - .. row 1
-
- - int fd
-
- - File descriptor returned by a previous call to open().
-
- - .. row 2
-
- - void \*buf
-
- - Pointer to the buffer containing the PES data.
-
- - .. row 3
-
- - size_t count
-
- - Size of buf.
-
-Description
------------
-
-This system call can only be used if AUDIO_SOURCE_MEMORY is selected
-in the ioctl call AUDIO_SELECT_SOURCE. The data provided shall be in
-PES format. If O_NONBLOCK is not specified the function will block
-until buffer space is available. The amount of data to be transferred is
-implied by count.
-
-Return Value
-------------
-
-.. flat-table::
- :header-rows: 0
- :stub-columns: 0
-
- - .. row 1
-
- - ``EPERM``
-
- - Mode AUDIO_SOURCE_MEMORY not selected.
-
- - .. row 2
-
- - ``ENOMEM``
-
- - Attempted to write more data than the internal buffer can hold.
-
- - .. row 3
-
- - ``EBADF``
-
- - fd is not a valid open file descriptor.