code: func (ps *PrintSettings) GetIntWithDefault(key string, def int) int {
  	cstr := C.CString(key)
  	defer C.free(unsafe.Pointer(cstr))
  	c := C.gtk_print_settings_get_int_with_default(ps.native(), (*C.gchar)(cstr), C.gint(def))
  	return int(c)
  }
docs: // GetIntWithDefault() is a wrapper around gtk_print_settings_get_int_with_default().