53 lines
1.9 KiB
Plaintext
53 lines
1.9 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_SNAPSHOT 3PCAP "7 April 2014"
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.SH NAME
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pcap_snapshot \- get the snapshot length
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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_snapshot(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_snapshot()
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returns the snapshot length specified when
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.B pcap_set_snapshot()
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or
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.B pcap_open_live()
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was called, for a live capture, or the snapshot length from the capture
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file, for a ``savefile''.
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.PP
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It must not be called on a pcap descriptor created by
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.B pcap_create()
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that has not yet been activated by
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.BR pcap_activate() .
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.SH RETURN VALUE
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.B pcap_snapshot()
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returns the snapshot length on success and
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.B PCAP_ERROR_NOT_ACTIVATED
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if called on a capture handle that has been created but not activated.
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.SH SEE ALSO
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pcap(3PCAP)
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