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pcap_dump_ftell, pcap_dump_ftell64 - get the current file offset for a
savefile being written
long pcap_dump_ftell(pcap_dumper_t *p);
int64_t pcap_dump_ftell64(pcap_dumper_t *p);
pcap_dump_ftell() returns the current file position for the ``save-
file'', representing the number of bytes written by pcap_dump_open(3)
and pcap_dump(3). PCAP_ERROR is returned on error. If the current file
position does not fit in a long, it will be truncated; this can happen
on 32-bit UNIX-like systems with large file support and on Windows.
pcap_dump_ftell64() returns the current file position in a int64_t, so
if file offsets that don't fit in a long but that fit in a int64_t are
supported, this will return the file offset without truncation.
PCAP_ERROR is returned on error.
25 July 2018 PCAP_DUMP_FTELL(3)