FLAG_CCLASS_SHARE  791 mbstring/oniguruma/regint.h #define CCLASS_SET_SHARE(cc)    (cc)->flags |= FLAG_CCLASS_SHARE
FLAG_CCLASS_SHARE  793 mbstring/oniguruma/regint.h #define IS_CCLASS_SHARE(cc)   (((cc)->flags & FLAG_CCLASS_SHARE) != 0)