BITS_IN_ROOM 424 ext/mbstring/oniguruma/regint.h #define BITSET_SIZE (SINGLE_BYTE_SIZE / BITS_IN_ROOM) BITS_IN_ROOM 441 ext/mbstring/oniguruma/regint.h #define BS_ROOM(bs,pos) (bs)[pos / BITS_IN_ROOM] BITS_IN_ROOM 442 ext/mbstring/oniguruma/regint.h #define BS_BIT(pos) (1 << (pos % BITS_IN_ROOM))