Linux cli command pcap_dump_ftellpcap

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command pcap_dump_ftellpcap and provides detailed information about the command pcap_dump_ftellpcap, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the pcap_dump_ftellpcap.

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NAME 🖥️ pcap_dump_ftellpcap 🖥️

get the current file offset for a savefile being written

SYNOPSIS

#include <pcap/pcap.h>
long pcap_dump_ftell(pcap_dumper_t *p);
int64_t pcap_dump_ftell64(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(3PCAP) and pcap_dump(3PCAP). 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.

BACKWARD COMPATIBILITY

The function pcap_dump_ftell64() became available in libpcap release 1.9.0. In previous releases, there was no mechanism to obtain a file offset that is too large to fit in a long.

SEE ALSO

pcap(3PCAP)

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