PCAP_SET_DATALINK
Section: Misc. Reference Manual Pages (3PCAP)
Updated: 5 April 2008
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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 data link 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)