pcap_dump(3) write a packet to a capture file

SYNOPSIS

#include <pcap/pcap.h>

void pcap_dump(u_char *user, struct pcap_pkthdr *h,
        u_char *sp);

DESCRIPTION

pcap_dump() outputs a packet to the ``savefile'' opened with pcap_dump_open(). Note that its calling arguments are suitable for use with pcap_dispatch() or pcap_loop(). If called directly, the user parameter is of type pcap_dumper_t as returned by pcap_dump_open().