pub unsafe extern "C" fn gtk_widget_class_install_property_action(
widget_class: *mut GtkWidgetClass,
action_name: *const c_char,
property_name: *const c_char
)
pub unsafe extern "C" fn gtk_widget_class_install_property_action(
widget_class: *mut GtkWidgetClass,
action_name: *const c_char,
property_name: *const c_char
)