PCAP_OFFLINE_FILTER(3PCAP) PCAP_OFFLINE_FILTER(3PCAP)
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(3PCAP), pcap_compile(3PCAP)
13 May 2008 PCAP_OFFLINE_FILTER(3PCAP)
