rb_fiddle_ptr_s_to_ptr  690 ext/fiddle/pointer.c     rb_define_singleton_method(rb_cPointer, "to_ptr", rb_fiddle_ptr_s_to_ptr, 1);
rb_fiddle_ptr_s_to_ptr  691 ext/fiddle/pointer.c     rb_define_singleton_method(rb_cPointer, "[]", rb_fiddle_ptr_s_to_ptr, 1);