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().

RETURN VALUE

       pcap_setfilter() returns 0 on success and -1 on failure.  If -1 is returned, pcap_geterr()
       or pcap_perror() may be called with p as an argument to fetch or display the error text.

SEE ALSO

       pcap(3PCAP), pcap_compile(3PCAP), pcap_geterr(3PCAP)

                                           7 April 2014                     PCAP_SETFILTER(3PCAP)