mask
#define mask(s) (1 << ((s) - 1))
#define mask(s) (1 << ((s) - 1))
#define mask(x) ((uint_t)1 << (x))
#define mask %f48
#define mask 0xa0
#define mask 0x230
#define mask 0x30
#define mask 0xa0
unsigned mask(unsigned x)
unsigned mask(unsigned a, unsigned b)
unsigned mask(unsigned x)
#define mask(n) (~((ALLONES << 1) << ((n) - 1)))