osx man page for pcap_dump_ftell

PCAP_DUMP_FTELL(3PCAP)													    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.

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

								   5 April 2008 					    PCAP_DUMP_FTELL(3PCAP)