struct sockaddr *, size_t, struct sockaddr *, size_t,
struct sockaddr *dstaddr, size_t, char *errbuf);
#ifndef _WIN32
-bpf_u_int32 if_flags_to_pcap_flags(const char *, u_int);
int add_addr_to_iflist(pcap_if_list_t *, const char *, bpf_u_int32,
struct sockaddr *, size_t, struct sockaddr *, size_t,
struct sockaddr *, size_t, struct sockaddr *, size_t, char *);