rb_obj_instance_eval   67 ext/tk/tkutil/tkutil.c       rb_obj_instance_eval(0, 0, obj);
rb_obj_instance_eval  280 include/ruby/intern.h VALUE rb_obj_instance_eval(int, VALUE*, VALUE);
rb_obj_instance_eval 1431 vm_eval.c          rb_define_method(rb_cBasicObject, "instance_eval", rb_obj_instance_eval, -1);