1 /*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Ed James. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 /* 38 * Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved. 39 * 40 * Copy permission is hereby granted provided that this notice is 41 * retained on all partial or complete copies. 42 * 43 * For more info on this and all of my stuff, mail edjames@berkeley.edu. 44 */ 45 46 #ifndef lint 47 #if 0 48 static char sccsid[] = "@(#)extern.c 8.1 (Berkeley) 5/31/93"; 49 #endif 50 static const char rcsid[] = 51 "$FreeBSD: src/games/atc/extern.c,v 1.3 1999/11/30 03:48:19 billf Exp $"; 52 #endif /* not lint */ 53 54 #include "include.h" 55 56 char GAMES[] = "Game_List"; 57 58 int clck, safe_planes, start_time, test_mode; 59 60 const char *file; 61 62 FILE *filein, *fileout; 63 64 C_SCREEN screen, *sp = &screen; 65 66 LIST air, ground; 67 68 struct sgttyb tty_start, tty_new; 69 70 DISPLACEMENT displacement[MAXDIR] = { 71 { 0, -1 }, 72 { 1, -1 }, 73 { 1, 0 }, 74 { 1, 1 }, 75 { 0, 1 }, 76 { -1, 1 }, 77 { -1, 0 }, 78 { -1, -1 } 79 }; 80