Manpage of PCAP_SETFILTER
Section: Misc. Reference Manual Pages (3PCAP)
Updated: 25 July 2018
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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)
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Time: 23:40:02 GMT, January 10, 2020