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NetBSD 6.1.5 - man page for pcap_setfilter (netbsd section 3)

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PCAP_SETFILTER(3)								PCAP_SETFILTER(3)

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(3), pcap_compile(3), pcap_geterr(3)

					   5 April 2008 			PCAP_SETFILTER(3)
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