NAME

       pcap_set_datalink - set the link-layer header type to be used by a capture device

SYNOPSIS

       #include <pcap/pcap.h>

       int pcap_set_datalink(pcap_t *p, int dlt);

DESCRIPTION

       pcap_set_datalink()  is  used  to  set  the  current  link-layer  header  type of the pcap
       descriptor to the type specified by dlt.

RETURN VALUE

       pcap_set_datalink() 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_geterr(3PCAP), pcap_datalink_name_to_val(3PCAP)

                                          22 August 2010                 PCAP_SET_DATALINK(3PCAP)