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pcap_setfilter(3)                                      pcap_setfilter(3)




NAME

       pcap_setfilter - set the filter


SYNOPSIS

       #include <pcap/pcap.h>

       pcap_setfilter(3) *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, PCAP_ERROR_NOT_ACTIVATED if called
       on a capture handle that has been created but not activated, or
       PCAP_ERROR on other errors.  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)



                                  5 March 2022             pcap_setfilter(3)

libpcap 1.10.2 - Generated Mon Jan 2 05:44:45 CST 2023
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