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linux-7.2.3/Documentation/userspace-api/media/dvb/dmx-fclose.rst

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+.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+.. c:namespace:: DTV.dmx
+
+.. _dmx_fclose:
+
+========================
+Digital TV demux close()
+========================
+
+Name
+----
+
+Digital TV demux close()
+
+Synopsis
+--------
+
+.. c:function:: int close(int fd)
+
+Arguments
+---------
+
+``fd``
+  File descriptor returned by a previous call to
+  :c:func:`open()`.
+
+Description
+-----------
+
+This system call deactivates and deallocates a filter that was
+previously allocated via the :c:func:`open()` call.
+
+Return Value
+------------
+
+On success 0 is returned.
+
+On error, -1 is returned and the ``errno`` variable is set
+appropriately.
+
+The generic error codes are described at the
+:ref:`Generic Error Codes <gen-errors>` chapter.