* Copyright (c) 1980, 1993
* The Regents of the University of California. All rights reserved.
* This module is believed to contain source code proprietary to AT&T.
* Use and redistribution is subject to the Berkeley Software License
* Agreement and your Software Agreement with AT&T (Western Electric).
static char sccsid
[] = "@(#)box.c 8.1 (Berkeley) 6/4/93";