Symbol: SIOCIPFFB
sbin/ipf/ipmon/ipmon.c
1452
if (ioctl(fd, SIOCIPFFB, &flushed) == 0) {
sys/netpfil/ipfilter/netinet/fil.c
8196
case SIOCIPFFB :
sys/netpfil/ipfilter/netinet/ip_nat.c
1114
case SIOCIPFFB :
sys/netpfil/ipfilter/netinet/ip_state.c
646
case SIOCIPFFB :