.. -*- coding: utf-8; mode: rst -*- .. _DMX_GET_CAPS: ============ DMX_GET_CAPS ============ Name ---- DMX_GET_CAPS Synopsis -------- .. c:function:: int ioctl(fd, DMX_GET_CAPS, struct dmx_caps *caps) :name: DMX_GET_CAPS Arguments --------- ``fd`` File descriptor returned by :c:func:`open() `. ``caps`` Pointer to struct :c:type:`dmx_caps` Description ----------- .. note:: This ioctl is undocumented. Documentation is welcome. Return Value ------------ On success 0 is returned, on error -1 and the ``errno`` variable is set appropriately. The generic error codes are described at the :ref:`Generic Error Codes ` chapter.