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      1 /*	$NetBSD: extern.c,v 1.12 2015/06/19 06:02:31 dholland Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1990, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * Ed James.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. Neither the name of the University nor the names of its contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  */
     34 
     35 /*
     36  * Copyright (c) 1987 by Ed James, UC Berkeley.  All rights reserved.
     37  *
     38  * Copy permission is hereby granted provided that this notice is
     39  * retained on all partial or complete copies.
     40  *
     41  * For more info on this and all of my stuff, mail edjames (at) berkeley.edu.
     42  */
     43 
     44 #include <sys/cdefs.h>
     45 #ifndef lint
     46 #if 0
     47 static char sccsid[] = "@(#)extern.c	8.1 (Berkeley) 5/31/93";
     48 #else
     49 __RCSID("$NetBSD: extern.c,v 1.12 2015/06/19 06:02:31 dholland Exp $");
     50 #endif
     51 #endif /* not lint */
     52 
     53 #include <termios.h>
     54 
     55 #include "def.h"
     56 #include "struct.h"
     57 #include "extern.h"
     58 #include "tunable.h"
     59 
     60 char		GAMES[] =	"Game_List";
     61 
     62 int		clck, safe_planes, test_mode;
     63 time_t		start_time;
     64 
     65 const char	*filename;
     66 
     67 #if 0
     68 FILE		*filein, *fileout;
     69 #endif
     70 
     71 static C_SCREEN screen;
     72 C_SCREEN *sp = &screen;
     73 
     74 LIST		air, ground;
     75 
     76 struct termios	tty_start, tty_new;
     77 
     78 DISPLACEMENT	displacement[MAXDIR] = {
     79 		{  0, -1 },
     80 		{  1, -1 },
     81 		{  1,  0 },
     82 		{  1,  1 },
     83 		{  0,  1 },
     84 		{ -1,  1 },
     85 		{ -1,  0 },
     86 		{ -1, -1 }
     87 };
     88