ZERO
#undef ZERO
#define ZERO(x) case B_##x: return (void *)0
#undef ZERO
#define ZERO(x) case B_##x: return (void *)0
#undef ZERO
#define ZERO(x) case B_##x: return (void *)0
#undef ZERO
#define ZERO(x) case B_##x: return (void *)0
#undef ZERO
#define ZERO(x) case B_##x: return (void *)0
#undef ZERO
#define ZERO(x) case B_##x: return (void *)0
#define ZERO 0
ZERO = 0,