/***********************************************************************
* Copyright 1989, 1990, 1992 by Dan Farmer.  All rights reserved.  Some
* individual files may be covered by other copyrights.
* 
* This material was originally written and compiled by Dan Farmer at
* Purdue University in 1989 and 1990, under the direction and sponsorship
* of Professor Gene Spafford.  Other material was contributed as noted
* elsewhere.  Recently, work has been done at the Software Engineering
* Institute.  Even more recently, stuff has been done at Sun Microsystems.
*
* Redistribution and use in source and binary forms are permitted
* provided that this entire copyright notice is duplicated in all such
* copies.  No charge, other than an "at-cost" distribution fee, may be
* charged for copies, derivations, or distributions of this material
* without the express written consent of the copyright holders.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTIBILITY AND FITNESS FOR ANY PARTICULAR PURPOSE.
************************************************************************/
