BGP_NOTIFICATION_SIZE
TCHECK2(dat[0], BGP_NOTIFICATION_SIZE);
memcpy(&bgpn, dat, BGP_NOTIFICATION_SIZE);
if (length < BGP_NOTIFICATION_SIZE)
length >= BGP_NOTIFICATION_SIZE + 7) {
p = dat + BGP_NOTIFICATION_SIZE;
(length >= BGP_NOTIFICATION_SIZE + 1)) {
p = dat + BGP_NOTIFICATION_SIZE;
BGP_NOTIFICATION_SIZE))