BITS_IN_ROOM      425 mbstring/oniguruma/regint.h #define BITSET_SIZE        (SINGLE_BYTE_SIZE / BITS_IN_ROOM)
BITS_IN_ROOM      442 mbstring/oniguruma/regint.h #define BS_ROOM(bs,pos)            (bs)[pos / BITS_IN_ROOM]
BITS_IN_ROOM      443 mbstring/oniguruma/regint.h #define BS_BIT(pos)                (1 << (pos % BITS_IN_ROOM))