@(#) $Header: /tcpdump/master/libpcap/pcap_set_datalink.3pcap,v 1.3 2008-04-06 02:53:22 guy Exp $
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Copyright (c) 1994, 1996, 1997
The Regents of the University of California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that: (1) source code distributions
retain the above copyright notice and this paragraph in its entirety, (2)
distributions including binary code include the above copyright notice and
this paragraph in its entirety in the documentation or other materials
provided with the distribution, and (3) all advertising materials mentioning
features or use of this software display the following acknowledgement:
``This product includes software developed by the University of California,
Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
the University nor the names of its contributors may be used to endorse
or promote products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
PCAP_SET_DATALINK 3PCAP "22 August 2010"
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)