CAPIMSG_U8         24 include/linux/isdn/capiutil.h #define	CAPIMSG_COMMAND(m)	CAPIMSG_U8(m,4)
CAPIMSG_U8         25 include/linux/isdn/capiutil.h #define	CAPIMSG_SUBCOMMAND(m)	CAPIMSG_U8(m,5)