service_type      767 netbt/hci.h    	uint8_t		service_type;    /* service type */
service_type      841 netbt/hci.h    	uint8_t		service_type;
service_type     1703 netbt/hci.h    	uint8_t		service_type;    /* service type */
service_type      179 netbt/l2cap.h  	uint8_t  service_type;		/* service type */