For old code see the respective source files to find out which copyrights
apply. For new code it is recommended to introduce new source files, and
use the 2-clause BSD license as license.

------------------------------------------------------------------------------
Copyright (c) 1998 The NetBSD Foundation, Inc.
Copyright (c) 2003 Maxim Sobolev <sobomax@FreeBSD.org>
Copyright (c) 2014 Red Hat, Inc.

All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.

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Copyright (C) 1995,1996,1997,1998 Lars Fenneberg <lf@elemental.net>

Permission to use, copy, modify, and distribute this software for any
purpose and without fee is hereby granted, provided that this copyright and
permission notice appear on all copies and supporting documentation, the
name of Lars Fenneberg not be used in advertising or publicity pertaining to
distribution of the program without specific prior permission, and notice be
given in supporting documentation that copying and distribution is by
permission of Lars Fenneberg.

Lars Fenneberg makes no representations about the suitability of this
software for any purpose.  It is provided "as is" without express or implied
warranty.

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Copyright 1992 Livingston Enterprises, Inc.
Livingston Enterprises, Inc. 6920 Koll Center Parkway Pleasanton, CA  94566

Permission to use, copy, modify, and distribute this software for any
purpose and without fee is hereby granted, provided that this copyright
and permission notice appear on all copies and supporting documentation,
the name of Livingston Enterprises, Inc. not be used in advertising or
publicity pertaining to distribution of the program without specific
prior permission, and notice be given in supporting documentation that
copying and distribution is by permission of Livingston Enterprises, Inc.

Livingston Enterprises, Inc. makes no representations about the suitability
of this software for any purpose.  It is provided "as is" without express
or implied warranty.
------------------------------------------------------------------------------
[C] The Regents of the University of Michigan and Merit Network, Inc. 1992,
1993, 1994, 1995 All Rights Reserved

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted, provided
that the above copyright notice and this permission notice appear in all
copies of the software and derivative works or modified versions thereof,
and that both the copyright notice and this permission and disclaimer
notice appear in supporting documentation.

THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE REGENTS OF THE
UNIVERSITY OF MICHIGAN AND MERIT NETWORK, INC. DO NOT WARRANT THAT THE
FUNCTIONS CONTAINED IN THE SOFTWARE WILL MEET LICENSEE'S REQUIREMENTS OR
THAT OPERATION WILL BE UNINTERRUPTED OR ERROR FREE.  The Regents of the
University of Michigan and Merit Network, Inc. shall not be liable for any
special, indirect, incidental or consequential damages with respect to any
claim by Licensee or any third party arising from use of the software.
