struct tm tm_cur;
struct ether_addr dst_mac;
struct in_addr dst_ip;
pcap_t *pcap;
pcap_t *pcap = NULL;
/* Number hosts */
n_hosts = ntohl(~device_netmask.s_addr);
{
time_t time_cur;
arp_t *arp;
arp_t *arp = NULL;
/* Localtime */
time_cur = time(NULL);