rb_marshal_load_with_proc  113 marshal.c      static VALUE rb_marshal_load_with_proc(VALUE port, VALUE proc);
rb_marshal_load_with_proc 2017 marshal.c          return rb_marshal_load_with_proc(port, proc);
rb_marshal_load_with_proc 2241 marshal.c          return rb_marshal_load_with_proc(port, Qnil);