Merge branch 'vendor/LIBPCAP'
[dragonfly.git] / contrib / libpcap / pcap_geterr.3pcap
CommitLineData
a85e14b0 1.\" @(#) $Header: /tcpdump/master/libpcap/pcap_geterr.3pcap,v 1.3 2008-04-06 02:53:22 guy Exp $
de0d3203
PA
2.\"
3.\" Copyright (c) 1994, 1996, 1997
4.\" The Regents of the University of California. All rights reserved.
5.\"
6.\" Redistribution and use in source and binary forms, with or without
7.\" modification, are permitted provided that: (1) source code distributions
8.\" retain the above copyright notice and this paragraph in its entirety, (2)
9.\" distributions including binary code include the above copyright notice and
10.\" this paragraph in its entirety in the documentation or other materials
11.\" provided with the distribution, and (3) all advertising materials mentioning
12.\" features or use of this software display the following acknowledgement:
13.\" ``This product includes software developed by the University of California,
14.\" Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
15.\" the University nor the names of its contributors may be used to endorse
16.\" or promote products derived from this software without specific prior
17.\" written permission.
18.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
19.\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
20.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
21.\"
22.TH PCAP_GETERR 3PCAP "5 April 2008"
23.SH NAME
24pcap_geterr, pcap_perror \- get or print libpcap error message text
25.SH SYNOPSIS
26.nf
27.ft B
28#include <pcap/pcap.h>
29.ft
30.LP
31.ft B
32char *pcap_geterr(pcap_t *p);
33void pcap_perror(pcap_t *p, char *prefix);
34.ft
35.fi
36.SH DESCRIPTION
37.B pcap_geterr()
38returns the error text pertaining to the last pcap library error.
39.BR NOTE :
40the pointer it returns will no longer point to a valid error message
41string after the
42.B pcap_t
43passed to it is closed; you must use or copy the string before closing
44the
45.BR pcap_t .
46.PP
47.B pcap_perror()
48prints the text of the last pcap library error on
49.BR stderr ,
50prefixed by
51.IR prefix .
52.SH SEE ALSO
53pcap(3PCAP)