NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | SEE ALSO | COLOPHON 

PCAP_SETFILTER(3PCAP)                                  PCAP_SETFILTER(3PCAP)

NAME         top

       pcap_setfilter - set the filter

SYNOPSIS         top

       #include <pcap/pcap.h>
       int pcap_setfilter(pcap_t *p, struct bpf_program *fp);

DESCRIPTION         top

       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         top

       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         top

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

COLOPHON         top

       This page is part of the libpcap (packet capture library) project.
       Information about the project can be found at 
       ⟨http://www.tcpdump.org/⟩.  If you have a bug report for this manual
       page, see ⟨http://www.tcpdump.org/#patches⟩.  This page was obtained
       from the project's upstream Git repository 
       ⟨https://github.com/the-tcpdump-group/libpcap.git⟩ on 2017-07-05.  If
       you discover any rendering problems in this HTML version of the page,
       or you believe there is a better or more up-to-date source for the
       page, or you have corrections or improvements to the information in
       this COLOPHON (which is not part of the original manual page), send a
       mail to man-pages@man7.org
                                7 April 2014           PCAP_SETFILTER(3PCAP)