DCC
* Distributed Checksum Clearinghouse
*
* Copyright (c) 2005 by Rhyolite Software, LLC
*
* This agreement is not applicable to any entity which sells anti-spam
* solutions to others or provides an anti-spam solution as part of a
* security solution sold to other entities, or to a private network
* which employs the DCC or uses data provided by operation of the DCC
* but does not provide corresponding data to other users.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* Parties not eligible to receive a license under this agreement can
* obtain a commercial license to use DCC and permission to use
* U.S. Patent 6,330,590 by contacting Commtouch at http://www.commtouch.com/
* or by email to nospam@commtouch.com.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND RHYOLITE SOFTWARE, LLC DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL RHYOLITE SOFTWARE, LLC
* BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
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* Some parts including dcclib/getopt.c and include/sendmail-sysexits.h
* Copyright (c) 1987, 1993, 1994
* The Regents of the University of California. All rights reserved.
* Some other parts including dcclib/inet_ntop.c
* Copyright (c) 1996-1999 by Internet Software Consortium.
* Some other parts including autoconf/install-sh
* Copyright 1991 by the Massachusetts Institute of Technology