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+.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+.. c:namespace:: DTV.fe
+
+.. _FE_DISEQC_SEND_MASTER_CMD:
+
+*******************************
+ioctl FE_DISEQC_SEND_MASTER_CMD
+*******************************
+
+Name
+====
+
+FE_DISEQC_SEND_MASTER_CMD - Sends a DiSEqC command
+
+Synopsis
+========
+
+.. c:macro:: FE_DISEQC_SEND_MASTER_CMD
+
+``int ioctl(int fd, FE_DISEQC_SEND_MASTER_CMD, struct dvb_diseqc_master_cmd *argp)``
+
+Arguments
+=========
+
+``fd``
+    File descriptor returned by :c:func:`open()`.
+
+``argp``
+    pointer to struct
+    :c:type:`dvb_diseqc_master_cmd`
+
+Description
+===========
+
+Sends the DiSEqC command pointed by :c:type:`dvb_diseqc_master_cmd`
+to the antenna subsystem.
+
+Return Value
+============
+
+On success 0 is returned.
+
+On error -1 is returned, and the ``errno`` variable is set
+appropriately.
+
+Generic error codes are described at the
+:ref:`Generic Error Codes <gen-errors>` chapter.
+