pcap_set_datalink(3PCAP) man page
Updated: 5 March 2022 • View in plain text •
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This man page documents libpcap version 1.11.0-PRE-GIT (see also: 1.10.4, 1.10.2, 1.10.1, 1.10.0, 1.9.1, 1.8.1, 1.7.4, 1.6.2, 1.5.3).
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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,
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(3PCAP)
or
pcap_perror(3PCAP)
may be called with
p
as an argument to fetch or display the error text.
SEE ALSO
COLOPHON
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