pcap_set_datalink(3) pcap_set_datalink(3)
NAME
pcap_set_datalink - set the link-layer header type to be used by a
capture device
SYNOPSIS
#include <pcap/pcap.h>
pcap_set_datalink(3) *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(3) or pcap_perror(3) may be called with p as an
argument to fetch or display the error text.
SEE ALSO
pcap(3), pcap_datalink(3), pcap_list_datalinks(3),
pcap_datalink_name_to_val(3)
5 March 2022 pcap_set_datalink(3)
libpcap 1.11.0 - Generated Tue Sep 15 08:52:28 CDT 2026