pcap_if_t
curdev = calloc(1, sizeof(pcap_if_t));
add_addr_to_iflist(pcap_if_t **alldevs, const char *name, u_int flags,
pcap_if_t *curdev;
pcap_findalldevs(pcap_if_t **alldevsp, char *errbuf)
pcap_if_t *devlist = NULL;
add_or_find_if(pcap_if_t **curdev_ret, pcap_if_t **alldevs, const char *name,
pcap_if_t *curdev, *prevdev, *nextdev;
pcap_freealldevs(pcap_if_t *alldevs)
pcap_if_t *curdev, *nextdev;
int pcap_findalldevs(pcap_if_t **, char *);
void pcap_freealldevs(pcap_if_t *);