1.\" Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project. 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the project nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" $Id: ipsec_strerror.3,v 1.2 1999/09/21 03:49:19 itojun Exp $ 29.\" $FreeBSD$ 30.\" 31.Dd May 6, 1998 32.Dt IPSEC_STRERROR 3 33.Os KAME 34.\" 35.Sh NAME 36.Nm ipsec_strerror 37.Nd error code for IPsec policy manipulation library 38.\" 39.Sh SYNOPSIS 40.Fd #include <netinet6/ipsec.h> 41.Ft "char *" 42.Fn ipsec_strerror 43.\" 44.Sh DESCRIPTION 45.Pa netinet6/ipsec.h 46declares 47.Pp 48.Dl extern int ipsec_errcode; 49.Pp 50which is used to pass error code from IPsec policy manipulation library 51to user program. 52.Fn ipsec_strerror 53can be used to obtain error message string for the error code. 54.\" 55.Sh RETURN VALUES 56.Fn ipsec_strerror 57always return a pointer to C string. 58The C string must not be overwritten by user programs. 59.\" 60.\" .Sh SEE ALSO 61.\" 62.Sh HISTORY 63The functions first appeared in WIDE/KAME IPv6 protocol stack kit. 64.\" 65.\" .Sh BUGS 66.\" (to be written) 67