pcap_dump_ftell(3) - NetBSD Manual Pages

Command: Section: Arch: Collection:  
PCAP_DUMP_FTELL(3)                                          PCAP_DUMP_FTELL(3)

pcap_dump_ftell, pcap_dump_ftell64 - get the current file offset for a savefile being written
#include <pcap/pcap.h> 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() and pcap_dump(). -1 is returned on error. If the current file posi- tion 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. -1 is returned on error.
pcap(3), pcap_dump_open(3), pcap_dump(3) 29 September 2017 PCAP_DUMP_FTELL(3)
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