pub unsafe extern "C" fn gst_rtsp_server_client_filter(
server: *mut GstRTSPServer,
func: GstRTSPServerClientFilterFunc,
user_data: gpointer
) -> *mut GList
pub unsafe extern "C" fn gst_rtsp_server_client_filter(
server: *mut GstRTSPServer,
func: GstRTSPServerClientFilterFunc,
user_data: gpointer
) -> *mut GList