pcap_offline_filter man page on FreeBSD

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PCAP_OFFLINE_FILTER(3)					PCAP_OFFLINE_FILTER(3)

NAME
       pcap_offline_filter - check whether a filter matches a packet

SYNOPSIS
       #include <pcap/pcap.h>

       int pcap_offline_filter(struct bpf_program *fp,
	       const struct pcap_pkthdr *h, const u_char *pkt)

DESCRIPTION
       pcap_offline_filter()  checks whether a filter matches a packet.	 fp is
       a pointer to a bpf_program struct, usually the  result  of  a  call  to
       pcap_compile().	 h points to the pcap_pkthdr structure for the packet,
       and pkt points to the data in the packet.

RETURN VALUE
       pcap_offline_filter() returns the return value of the  filter  program.
       This  will  be zero if the packet doesn't match the filter and non-zero
       if the packet matches the filter.

SEE ALSO
       pcap(3), pcap_compile(3)

				  13 May 2008		PCAP_OFFLINE_FILTER(3)
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