pcap_setfilter(3) pcap_setfilter(3)
NAME
pcap_setfilter - set the filter
SYNOPSIS
#include <pcap/pcap.h>
pcap_setfilter(3) *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, PCAP_ERROR_NOT_ACTIVATED if called
on a capture handle that has been created but not activated, or
PCAP_ERROR on other errors. 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)
5 March 2022 pcap_setfilter(3)
libpcap 1.10.2 - Generated Mon Jan 2 05:44:45 CST 2023