pub unsafe extern "C" fn gtk_container_child_notify_by_pspec(
container: *mut GtkContainer,
child: *mut GtkWidget,
pspec: *mut GParamSpec,
)
pub unsafe extern "C" fn gtk_container_child_notify_by_pspec(
container: *mut GtkContainer,
child: *mut GtkWidget,
pspec: *mut GParamSpec,
)