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67 lines
2.5 KiB
Plaintext
67 lines
2.5 KiB
Plaintext
.\" Copyright (c) 1994, 1996, 1997
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that: (1) source code distributions
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.\" retain the above copyright notice and this paragraph in its entirety, (2)
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.\" distributions including binary code include the above copyright notice and
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.\" this paragraph in its entirety in the documentation or other materials
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.\" provided with the distribution, and (3) all advertising materials mentioning
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.\" features or use of this software display the following acknowledgement:
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.\" ``This product includes software developed by the University of California,
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.\" Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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.\" the University nor the names of its contributors may be used to endorse
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.\" or promote products derived from this software without specific prior
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.\" written permission.
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.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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.\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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.\"
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.TH PCAP_DATALINK_VAL_TO_NAME 3PCAP "12 October 2016"
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.SH NAME
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pcap_datalink_val_to_name, pcap_datalink_val_to_description,
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pcap_datalink_val_to_description_or_dlt \- get a
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name or description for a link-layer header type value
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.SH SYNOPSIS
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.nf
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.ft B
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#include <pcap.h>
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.ft
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.LP
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.ft B
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const char *pcap_datalink_val_to_name(int dlt);
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const char *pcap_datalink_val_to_description(int dlt);
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const char *pcap_datalink_val_to_description_or_dlt(int dlt);
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.ft
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.fi
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.SH DESCRIPTION
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.B pcap_datalink_val_to_name()
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translates a link-layer header type value to the corresponding
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link-layer header type name, which is the
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.B DLT_
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name for the link-layer header type value with the
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.B DLT_
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removed.
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.B NULL
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is returned if the type value does not correspond to a known
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.B DLT_
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value.
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.PP
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.B pcap_datalink_val_to_description()
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translates a link-layer header type value to a short description of that
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link-layer header type.
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.B NULL
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is returned if the type value does not correspond to a known
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.B DLT_
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value.
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.PP
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.B pcap_datalink_val_to_description_or_dlt()
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translates a link-layer header type value to a short description of that
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link-layer header type just like pcap_datalink_val_to_description.
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If the type value does not correspond to a known
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.B DLT_
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value, the string "DLT n" is returned, where n is the value of
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the dlt argument.
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.SH SEE ALSO
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pcap(3PCAP)
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