Function gtk4_sys::gtk_widget_class_add_binding_action

pub unsafe extern "C" fn gtk_widget_class_add_binding_action(
    widget_class: *mut GtkWidgetClass,
    keyval: c_uint,
    mods: GdkModifierType,
    action_name: *const c_char,
    format_string: *const c_char
    ...
)