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PCAP_SETFILTER(3)          Library Functions Manual          PCAP_SETFILTER(3)



NAME
       pcap_setfilter - set the filter

SYNOPSIS
       #include <&lt;pcap/pcap.h>&gt;

       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(3), pcap_compile(3), pcap_geterr(3)



                                 5 April 2008                PCAP_SETFILTER(3)