#define NVAL3(b,m) (NVAL2(b,m)<<8|UVAL(b,2))
#define NVAL4(b,m) (NVAL3(b,m)<<8|UVAL(b,3))
#define NVAL5(b,m) ((int64)NVAL4(b,m)<<8|UVAL(b,4))
#define NVAL3(b,m) (NVAL2(b,m)<<8|UVAL(b,2))
#define NVAL4(b,m) (NVAL3(b,m)<<8|UVAL(b,3))
#define NVAL5(b,m) ((int64)NVAL4(b,m)<<8|UVAL(b,4))