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Diffstat (limited to 'pcap_datalink.3pcap')
-rw-r--r-- | pcap_datalink.3pcap | 68 |
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diff --git a/pcap_datalink.3pcap b/pcap_datalink.3pcap deleted file mode 100644 index 9e8477e8..00000000 --- a/pcap_datalink.3pcap +++ /dev/null @@ -1,68 +0,0 @@ -.\" 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. -.\" -.TH PCAP_DATALINK 3PCAP "7 April 2014" -.SH NAME -pcap_datalink \- get the link-layer header type -.SH SYNOPSIS -.nf -.ft B -#include <pcap/pcap.h> -.ft -.LP -.ft B -int pcap_datalink(pcap_t *p); -.ft -.fi -.SH DESCRIPTION -.B pcap_datalink() -returns the link-layer header type for the live capture or ``savefile'' -specified by -.IR p . -.PP -It must not be called on a pcap descriptor created by -.B \%pcap_create(3PCAP) -that has not yet been activated by -.BR \%pcap_activate(3PCAP) . -.PP -.I https://www.tcpdump.org/linktypes.html -lists the values -.B pcap_datalink() -can return and describes the packet formats that -correspond to those values. -.PP -Do -.B NOT -assume that the packets for a given capture or ``savefile`` will have -any given link-layer header type, such as -.B DLT_EN10MB -for Ethernet. For example, the "any" device on Linux will have a -link-layer header type of -.B DLT_LINUX_SLL -even if all devices on the system at the time the "any" device is opened -have some other data link type, such as -.B DLT_EN10MB -for Ethernet. -.SH RETURN VALUE -.B pcap_datalink() -returns the link-layer header type on success and -.B PCAP_ERROR_NOT_ACTIVATED -if called on a capture handle that has been created but not activated. -.SH SEE ALSO -pcap(3PCAP), pcap-linktype(7) |