ref1 2296 ext/mbstring/oniguruma/regparse.c int ref1; ref1 3418 ext/mbstring/oniguruma/regparse.c tok->u.backref.ref1 = num; ref1 3489 ext/mbstring/oniguruma/regparse.c tok->u.backref.ref1 = back_num; ref1 3511 ext/mbstring/oniguruma/regparse.c tok->u.backref.ref1 = backs[0]; ref1 5317 ext/mbstring/oniguruma/regparse.c (len > 1 ? tok->u.backref.refs : &(tok->u.backref.ref1)),