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Manual Pages  — PCAP_SETFILTER

NAME

pcap_setfilter - set the filter

CONTENTS

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)

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