LAST
#define LAST 255
#define LAST 0LL
#define LAST(b) (*((TREE **)(((uintptr_t)(b)) - WORDSIZE)))
#define LAST(x) ((int *) &x)[3]
#define LAST(x) ((int *) &x)[0]
#define LAST(b) ((b)->t_s.w_p[1])
#define LAST 255
#define LAST(index, limit) ((index) ? (index)-1 : (limit - 1));