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58 lines
2.1 KiB
Plaintext
58 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_FILE 3PCAP "5 April 2008"
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.SH NAME
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pcap_file \- get the standard I/O stream for a savefile being read
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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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FILE *pcap_file(pcap_t *p);
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.ft
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.fi
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.SH DESCRIPTION
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.B pcap_file()
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returns the standard I/O stream of the ``savefile,'' if a ``savefile''
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was opened with
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.BR pcap_open_offline() ,
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or NULL, if a network device was opened with
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.B pcap_create()
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and
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.BR pcap_activate() ,
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or with
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.BR pcap_open_live() .
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.PP
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Note that the Packet Capture library is usually built with large file
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support, so the standard I/O stream of the ``savefile'' might refer to
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a file larger than 2 gigabytes; applications that use
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.B pcap_file()
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should, if possible, use calls that support large files on the return
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value of
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.B pcap_file()
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or the value returned by
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.B fileno()
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when passed the return value of
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.BR pcap_file() .
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.SH SEE ALSO
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pcap(3PCAP), pcap_open_offline(3PCAP)
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