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       comedi_get_cmd_src_mask - streaming input/output capabilities


       #include <comedilib.h>

       int comedi_get_cmd_src_mask (comedi_t * device, unsigned int subdevice,
       comedi_cmd * command);


       The command capabilities of the subdevice indicated by  the  parameters
       device  and subdevice are probed, and the results placed in the command
       structure pointed to by the  parameter  command.   The  trigger  source
       elements  of  the  command structure are set to the logical OR value of
       possible  trigger  sources.   Other  elements  in  the  structure   are
       undefined.  If sucessful, 0 is returned, otherwise -1.

                                28 October 2007