48 lines
1.8 KiB
Plaintext
48 lines
1.8 KiB
Plaintext
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.\" @(#) $Header: /tcpdump/master/libpcap/pcap_fileno.3pcap,v 1.1.2.3 2008-04-06 03:21:55 guy Exp $
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.\"
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.\" 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_FILENO 3PCAP "5 April 2008"
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.SH NAME
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pcap_fileno \- get the file descriptor for a live capture
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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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int pcap_fileno(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_fileno()
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returns the file descriptor number from which captured packets are read,
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if a network device was opened with
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.B pcap_create()
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and
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.B pcap_activate()
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or with
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.BR pcap_open_live() ,
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or \-1, if a ``savefile'' was opened with
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.BR pcap_open_offline() .
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.SH SEE ALSO
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pcap(3PCAP), pcap_create(3PCAP), pcap_activate(3PCAP)
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