PCAP_SETFILTER(3PCAP) PCAP_SETFILTER(3PCAP)
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(3PCAP).
RETURN VALUE
pcap_setfilter() returns 0 on success and PCAP_ERROR on failure. If
PCAP_ERROR is returned, pcap_geterr(3PCAP) or pcap_perror(3PCAP) may be
called with p as an argument to fetch or display the error text.
SEE ALSO
pcap(3PCAP)
25 July 2018 PCAP_SETFILTER(3PCAP)
Generated by dwww version 1.14 on Mon Feb 3 07:51:09 CET 2025.