rb_Rational1      652 ext/bigdecimal/bigdecimal.c         return rb_Rational1(rb_funcall(numerator, '*', 1,
rb_Rational1     1747 numeric.c          return rb_funcall(rb_Rational1(num), rb_intern("numerator"), 0);
rb_Rational1     1753 numeric.c          return rb_funcall(rb_Rational1(num), rb_intern("denominator"), 0);