pub unsafe extern "C" fn gtk_widget_class_bind_template_callback_full(
widget_class: *mut GtkWidgetClass,
callback_name: *const c_char,
callback_symbol: GCallback,
)
pub unsafe extern "C" fn gtk_widget_class_bind_template_callback_full(
widget_class: *mut GtkWidgetClass,
callback_name: *const c_char,
callback_symbol: GCallback,
)