B_LBITFIELD16_6
#define B_LBITFIELD16_6(b1,b2,b3,b4,b5,b6) uint16 b6,b5,b4,b3,b2,b1
#define B_LBITFIELD16_6(b1,b2,b3,b4,b5,b6) uint16 b1,b2,b3,b4,b5,b6