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PCAP_OFFLINE_FILTER

Section: Misc. Reference Manual Pages (3PCAP)
Updated: 7 April 2014
Index Return to Main Contents
 

NAME

pcap_offline_filter - check whether a filter matches a packet  

SYNOPSIS

#include <pcap/pcap.h>

int pcap_offline_filter(const 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(3PCAP), pcap_compile(3PCAP)


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
SEE ALSO


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