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NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | SEE ALSO | COLOPHON |
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PCAP_OFFLINE_FILTER(3PCAP) PCAP_OFFLINE_FILTER(3PCAP)
pcap_offline_filter - check whether a filter matches a packet
#include <pcap/pcap.h>
int pcap_offline_filter(const struct bpf_program *fp,
const struct pcap_pkthdr *h, const u_char *pkt);
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(3PCAP). h points to the pcap_pkthdr
structure for the packet, and pkt points to the data in the
packet.
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.
pcap(3PCAP)
This page is part of the libpcap (packet capture library)
project. Information about the project can be found at
⟨http://www.tcpdump.org/⟩. If you have a bug report for this
manual page, see ⟨http://www.tcpdump.org/#patches⟩. This page
was obtained from the project's upstream Git repository
⟨https://github.com/the-tcpdump-group/libpcap.git⟩ on 2024-06-14.
(At that time, the date of the most recent commit that was found
in the repository was 2024-06-04.) If you discover any rendering
problems in this HTML version of the page, or you believe there
is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
7 April 2014 PCAP_OFFLINE_FILTER(3PCAP)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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