Function glib_sys::g_datalist_id_replace_data
source ยท pub unsafe extern "C" fn g_datalist_id_replace_data(
datalist: *mut *mut GData,
key_id: GQuark,
oldval: gpointer,
newval: gpointer,
destroy: GDestroyNotify,
old_destroy: *mut GDestroyNotify,
) -> gboolean