Bits              320 ext/mbstring/oniguruma/regint.h #define BITS_IN_ROOM       (sizeof(Bits) * BITS_PER_BYTE)
Bits              328 ext/mbstring/oniguruma/regint.h typedef Bits           BitSet[BITSET_SIZE];
Bits              329 ext/mbstring/oniguruma/regint.h typedef Bits*          BitSetRef;
Bits              167 ext/mbstring/oniguruma/regparse.c   for (i = 0; i < BITSET_SIZE; i++) { bs[i] = ~((Bits )0); }