NAME
pcap_dump_ftell - get the current file offset for a savefile being written
SYNOPSIS
#include <pcap/pcap.h>
long pcap_dump_ftell(pcap_dumper_t *p);
DESCRIPTION
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.
