pcap_header
struct pcap_packet_header pcap_header;
pcap_header.ts_sec = time / 1000000;
pcap_header.ts_usec = time % 1000000;
pcap_header.included_len = sizeof(struct ip) + buffer->size;
pcap_header.original_len = pcap_header.included_len;
vecs[used].iov_base = &pcap_header;
vecs[used].iov_len = sizeof(pcap_header);
if (written != (pcap_header.included_len + sizeof(pcap_packet_header))) {
struct pcap_header header;