pub unsafe extern "C" fn gst_mikey_payload_kemac_add_sub(
payload: *mut GstMIKEYPayload,
newpay: *mut GstMIKEYPayload,
) -> gboolean
pub unsafe extern "C" fn gst_mikey_payload_kemac_add_sub(
payload: *mut GstMIKEYPayload,
newpay: *mut GstMIKEYPayload,
) -> gboolean