2009-03-21 20:43:56 +00:00
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.\" @(#) $Header: /tcpdump/master/libpcap/pcap_open_dead.3pcap.in,v 1.1.2.2 2008-10-21 07:44:57 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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.\" 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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.\" 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_OPEN_DEAD 3PCAP "5 April 2008"
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.SH NAME
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pcap_open_dead \- open a fake pcap_t for compiling filters or opening a
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capture for output
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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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pcap_t *pcap_open_dead(int linktype, int snaplen);
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.ft
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.fi
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.SH DESCRIPTION
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.PP
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.B pcap_open_dead()
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is used for creating a
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.B pcap_t
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structure to use when calling the other functions in libpcap. It is
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typically used when just using libpcap for compiling BPF code.
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.PP
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.I linktype
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specifies the link-layer type for the
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.BR pcap_t .
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.PP
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.I snaplen
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specifies the snapshot length for the
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.BR pcap_t .
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.SH SEE ALSO
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2009-03-21 22:58:08 +00:00
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pcap(3PCAP), pcap-linktype(7)
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