xdr_bp_address
if (!xdr_bp_address(xdrs, &objp->client_address)) {
if (!xdr_bp_address(xdrs, &objp->router_address)) {
if (!xdr_bp_address(xdrs, &objp->server_address)) {
bool_t xdr_bp_address();
if (!xdr_bp_address(xdrs, &objp->server_address))
return (xdr_bp_address(xdrs, &objp->client_address));
if (!xdr_bp_address(xdrs, &objp->router_address))
bool_t xdr_bp_address();