@(#) $Header: /tcpdump/master/libpcap/pcap_setfilter.3pcap,v 1.4 2008-05-13 15:19:56 guy Exp $
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
Copyright (c) 1994, 1996, 1997
The Regents of the University of California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that: (1) source code distributions
retain the above copyright notice and this paragraph in its entirety, (2)
distributions including binary code include the above copyright notice and
this paragraph in its entirety in the documentation or other materials
provided with the distribution, and (3) all advertising materials mentioning
features or use of this software display the following acknowledgement:
``This product includes software developed by the University of California,
Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
the University nor the names of its contributors may be used to endorse
or promote products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
PCAP_SETFILTER 3PCAP "5 April 2008"
NAME
pcap_setfilter - set the filter
SYNOPSIS
#include <pcap/pcap.h>int pcap_setfilter(pcap_t *p, struct bpf_program *fp);
DESCRIPTION
pcap_setfilter() is used to specify a filter program.
fp is a pointer to a
bpf_program struct, usually the result of a call to
pcap_compile() . RETURN VALUE
pcap_setfilter() returns 0 on success and -1 on failure.
If -1 is returned,
pcap_geterr() or
pcap_perror() may be called with
p as an argument to fetch or display the error text.
SEE ALSO
pcap(3PCAP), pcap_compile(3PCAP), pcap_geterr(3PCAP)
