59 lines
2.1 KiB
Plaintext
59 lines
2.1 KiB
Plaintext
.\" Copyright (c) 1994, 1996, 1997
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that: (1) source code distributions
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.\" retain the above copyright notice and this paragraph in its entirety, (2)
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.\" distributions including binary code include the above copyright notice and
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.\" this paragraph in its entirety in the documentation or other materials
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.\" provided with the distribution, and (3) all advertising materials mentioning
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.\" features or use of this software display the following acknowledgement:
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.\" ``This product includes software developed by the University of California,
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.\" Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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.\" the University nor the names of its contributors may be used to endorse
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.\" or promote products derived from this software without specific prior
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.\" written permission.
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.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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.\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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.\"
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.TH PCAP_DUMP_FTELL 3PCAP "25 July 2018"
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.SH NAME
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pcap_dump_ftell, pcap_dump_ftell64 \- get the current file offset for a savefile being written
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.SH SYNOPSIS
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.nf
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.ft B
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#include <pcap/pcap.h>
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.ft
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.LP
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.ft B
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long pcap_dump_ftell(pcap_dumper_t *p);
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.ft B
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int64_t pcap_dump_ftell64(pcap_dumper_t *p);
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.ft
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.fi
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.SH DESCRIPTION
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.B pcap_dump_ftell()
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returns the current file position for the ``savefile'', representing the
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number of bytes written by
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.B pcap_dump_open(3PCAP)
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and
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.BR pcap_dump(3PCAP) .
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.B PCAP_ERROR
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is returned on error. If the current file position does not fit in a
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.BR long ,
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it will be truncated; this can happen on 32-bit UNIX-like systems with
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large file support and on Windows.
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.B pcap_dump_ftell64()
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returns the current file position in a
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.BR int64_t ,
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so if file offsets that don't fit in a
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.B long
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but that fit in a
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.B int64_t
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are supported, this will return the file offset without truncation.
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.B PCAP_ERROR
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is returned on error.
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.SH SEE ALSO
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pcap(3PCAP)
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