PCAP_DUMP_FTELL(3pcap)
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.