Symbol: pcap_lookupnet
lib/libpcap/pcap.h
169
int pcap_lookupnet(const char *, bpf_u_int32 *, bpf_u_int32 *, char *);
usr.sbin/tcpdump/tcpdump.c
460
if (pcap_lookupnet(device, &localnet, &netmask, ebuf)) {