DOKK / manpages / debian 10 / libpcap0.8-dev / pcap_dump_ftell.3pcap.en
PCAP_DUMP_FTELL(3PCAP) PCAP_DUMP_FTELL(3PCAP)

pcap_dump_ftell - get the current file offset for a savefile being written

#include <pcap/pcap.h>
long pcap_dump_ftell(pcap_dumper_t *p);

pcap_dump_ftell() returns the current file position for the ``savefile'', representing the number of bytes written by pcap_dump_open() and pcap_dump(). -1 is returned on error.

pcap(3PCAP), pcap_dump_open(3PCAP), pcap_dump(3PCAP)

3 January 2014