pcap_dump_flush - flush to a savefile packets dumped
#include <pcap/pcap.h>
int pcap_dump_flush(pcap_dumper_t *p);
pcap_dump_flush() flushes the output buffer to the ``savefile,'' so that
any packets written with pcap_dump() but not yet written to the
``savefile'' will be written.
pcap_dump_flush() returns 0 on success and -1 on failure.
pcap(3), pcap_dump_open(3), pcap_dump(3)