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Command: pcap_setfilter | Section: 3 | Source: NetBSD | File: pcap_setfilter.3
PCAP_SETFILTER(3) Library Functions Manual PCAP_SETFILTER(3)
NAME
pcap_setfilter - set the filter
SYNOPSIS
#include <pcap/pcap.h>
int pcap_setfilter(pcap_t *p, struct bpf_program *fp);
DESCRIPTION
pcap_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_compile(3).
RETURN VALUE
pcap_setfilter() returns 0 on success and PCAP_ERROR on failure. If
PCAP_ERROR is returned, pcap_geterr(3) or pcap_perror(3) may be called
with p as an argument to fetch or display the error text.
SEE ALSO
pcap(3)
25 July 2018 PCAP_SETFILTER(3)