rc_INIT_SUCCESS	LITERAL1
rc_INIT_FAILED	LITERAL1
rc_FREQ_FAILED	LITERAL1

direction_t	KEYWORD1

rc_STOP	LITERAL1
rc_LEFT	LITERAL1
rc_RIGHT	LITERAL1
rc_FORWARD	LITERAL1
rc_BACKWARD	LITERAL1

rc_start	KEYWORD2
rc_send	KEYWORD2
rc_receive	KEYWORD2

