. Comedi Documentation . Prev . Next . comedi_open -- open a Comedi device . #include <comedilib.h> . comedi_t comedi_open (const char * filename); . Open a Comedi device specified by the file filename. If sucessful, comedi_open returns a pointer to a valid comedi_t structure. This structure is transparent; the pointer should not be dereferenced by the application. NULL is returned on failure. Prev . Home . Next . comedi_close . Up . comedi_loglevel