Copyright for iputils source package in Nile V2.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Comment:
 This package was debianized by Anthony Towns  on
 Sat, 5 Aug 2000 19:51:36 +1000.
 It has been maintained for Debian by Noah Meyerhans 
 since 6 Feb 2001.
Source: https://github.com/iputils/iputils
Upstream-Contact: https://github.com/iputils/iputils/issues/

Files: *
Copyright:
   Copyright (c) 1989 The Regents of the University of California.
   All rights reserved.
 .
   This code is derived from software contributed to Berkeley by
   Mike Muuss.
License: BSD-3-clause

Files: *meson.build
Copyright: (c) 2021 Petr Vorel 
License: BSD-3-clause

License: BSD-3-clause
   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.
   3. 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 BY THE REGENTS 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 REGENTS 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.

Files: ipv6.h
Copyright: (c) 2020 Petr Vorel 
License: GPL-2+

Files: arping.c
       tracepath.c
Copyright: Alexey Kuznetsov, 
License: GPL-2+

License: GPL-2+
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version
 2 of the License, or (at your option) any later version,
 which is available in /usr/share/common-licenses/GPL-2.

Files: md5.c
Copyright: Colin Plumb
License: public-domain
 This code was written by Colin Plumb in 1993, no copyright is claimed.
 This code is in the public domain; do with it what you wish.