Symbol: BPF_FILDROP_DROP
sys/net/bpf.c
1049
case BPF_FILDROP_DROP:
sys/net/bpf.c
1375
if (d->bd_fildrop != BPF_FILDROP_DROP) {
usr.sbin/tcpdump/tcpdump.c
254
Bflag = BPF_FILDROP_DROP;