mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-12-29 15:10:57 +01:00
61 lines
1.9 KiB
Plaintext
61 lines
1.9 KiB
Plaintext
.\" 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_LOOKUPDEV 3PCAP "5 April 2008"
|
|
.SH NAME
|
|
pcap_lookupdev \- find the default device on which to capture
|
|
.SH SYNOPSIS
|
|
.nf
|
|
.ft B
|
|
#include <pcap/pcap.h>
|
|
.ft
|
|
.LP
|
|
.nf
|
|
.ft B
|
|
char errbuf[PCAP_ERRBUF_SIZE];
|
|
.ft
|
|
.LP
|
|
.ft B
|
|
char *pcap_lookupdev(char *errbuf);
|
|
.ft
|
|
.fi
|
|
.SH DESCRIPTION
|
|
.B pcap_lookupdev()
|
|
returns a pointer to a string giving the name of a network device
|
|
suitable for use with
|
|
.B pcap_create()
|
|
and
|
|
.BR pcap_activate() ,
|
|
or with
|
|
.BR pcap_open_live() ,
|
|
and with
|
|
.BR pcap_lookupnet() .
|
|
If there is an error,
|
|
.B NULL
|
|
is returned and
|
|
.I errbuf
|
|
is filled in with an appropriate error message.
|
|
.I errbuf
|
|
is assumed to be able to hold at least
|
|
.B PCAP_ERRBUF_SIZE
|
|
chars.
|
|
.SH SEE ALSO
|
|
pcap(3PCAP), pcap_create(3PCAP), pcap_activate(3PCAP),
|
|
pcap_open_live(3PCAP), pcap_lookupnet(3PCAP)
|