Symbol: sctp_is_vtag_good
sys/netinet/sctp_pcb.h
595
sctp_is_vtag_good(uint32_t, uint16_t lport, uint16_t rport, struct timeval *);
sys/netinet/sctputil.c
1060
if (!check || sctp_is_vtag_good(x, lport, rport, &now)) {