.. 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 ` chapter.