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.TH PCAP_DATALINK_VAL_TO_NAME 3PCAP "12 October 2016"

.SH NAME

pcap_datalink_val_to_name, pcap_datalink_val_to_description,

pcap_datalink_val_to_description_or_dlt \- get a

name or description for a link-layer header type value

.SH SYNOPSIS

.nf

.ft B

#include <pcap.h>

.ft

.LP

.ft B

const char *pcap_datalink_val_to_name(int dlt);

const char *pcap_datalink_val_to_description(int dlt);

const char *pcap_datalink_val_to_description_or_dlt(int dlt);

.ft

.fi

.SH DESCRIPTION

.B pcap_datalink_val_to_name()

translates a link-layer header type value to the corresponding

link-layer header type name, which is the

.B DLT_

name for the link-layer header type value with the

.B DLT_

removed.

.B NULL

is returned if the type value does not correspond to a known

.B DLT_

value.

.PP

.B pcap_datalink_val_to_description()

translates a link-layer header type value to a short description of that

link-layer header type.

.B NULL

is returned if the type value does not correspond to a known

.B DLT_

value.

.PP

.B pcap_datalink_val_to_description_or_dlt()

translates a link-layer header type value to a short description of that

link-layer header type just like pcap_datalink_val_to_description.

If the type value does not correspond to a known

.B DLT_

value, the string "DLT n" is returned, where n is the value of

the dlt argument.

.SH SEE ALSO

pcap(3PCAP)