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Command: pcap_setfilter | Section: 3 | Source: MINIX | 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_com-
pile().
RETURN VALUE
pcap_setfilter() returns 0 on success and -1 on failure. If -1 is re-
turned, pcap_geterr() or pcap_perror() may be called with p as an argu-
ment to fetch or display the error text.
SEE ALSO
pcap(3), pcap_compile(3), pcap_geterr(3)
13 May 2008 PCAP_SETFILTER(3)