BS_BIT            337 ext/mbstring/oniguruma/regint.h #define BITSET_AT(bs, pos)         (BS_ROOM(bs,pos) & BS_BIT(pos))
BS_BIT            338 ext/mbstring/oniguruma/regint.h #define BITSET_SET_BIT(bs, pos)     BS_ROOM(bs,pos) |= BS_BIT(pos)
BS_BIT            339 ext/mbstring/oniguruma/regint.h #define BITSET_CLEAR_BIT(bs, pos)   BS_ROOM(bs,pos) &= ~(BS_BIT(pos))
BS_BIT            340 ext/mbstring/oniguruma/regint.h #define BITSET_INVERT_BIT(bs, pos)  BS_ROOM(bs,pos) ^= BS_BIT(pos)