Bits              424 mbstring/oniguruma/regint.h #define BITS_IN_ROOM       (sizeof(Bits) * BITS_PER_BYTE)
Bits              432 mbstring/oniguruma/regint.h typedef Bits           BitSet[BITSET_SIZE];
Bits              433 mbstring/oniguruma/regint.h typedef Bits*          BitSetRef;
Bits              164 mbstring/oniguruma/regparse.c     bs[i] = ~((Bits )0);