rb_ivar_foreach   743 include/ruby/intern.h void rb_ivar_foreach(VALUE, int (*)(ANYARGS), st_data_t);
rb_ivar_foreach   528 marshal.c              rb_ivar_foreach(obj, w_obj_each, (st_data_t)arg);
rb_ivar_foreach   348 object.c       	rb_ivar_foreach(obj, inspect_i, str);
rb_ivar_foreach  1199 variable.c         rb_ivar_foreach(obj, ivar_i, ary);