PCAP_SETFILTER(3PCAP)PCAP_SETFILTER(3PCAP)NAMEpcap_setfilter - set the filter
SYNOPSIS
#include <pcap/pcap.h>
int pcap_setfilter(pcap_t *p, struct bpf_program *fp);
DESCRIPTIONpcap_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_com‐
pile().
RETURN VALUEpcap_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 ALSOpcap(3PCAP), pcap_compile(3PCAP), pcap_geterr(3PCAP)ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
┌────────────────────┬─────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├────────────────────┼─────────────────────────┤
│Availability │ system/library/libpcap │
├────────────────────┼─────────────────────────┤
│Interface Stability │ Uncommitted │
└────────────────────┴─────────────────────────┘
NOTES
Source for libpcap is available at http://opensolaris.org and at
http://www.tcpdump.org. Documentation is available at
file:///usr/share/man, and http://www.tcpdump.org.
5 April 2008 PCAP_SETFILTER(3PCAP)