return;
}
/* range checks */
if (cu->cu_message_age >= cu->cu_max_age) {
if ((cu->cu_max_age < (6 * 256)) || (cu->cu_max_age > (40 * 256))) {
if ((cu->cu_forward_delay < (4 * 256)) || (cu->cu_forward_delay > (30 * 256))) {
if ((cu->cu_hello_time < 256) || (cu->cu_hello_time> (2 * 256))) {
type = bstp_pdu_rcvtype(bp, cu);
switch (type) {