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BSD 4.3tahoe

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *	@(#)snake.h	5.4 (Berkeley) 6/18/88
 */

# include <stdio.h>
# include <assert.h>
# include <sys/types.h>
# include <sgtty.h>
# include <signal.h>
# include <math.h>

#define ESC	'\033'

struct tbuffer {
	long t[4];
} tbuffer;

char	*CL, *UP, *DO, *ND, *BS,
	*HO, *CM,
	*TA, *LL,
	*KL, *KR, *KU, *KD,
	*TI, *TE, *KS, *KE;
int	LINES, COLUMNS;	/* physical screen size. */
int	lcnt, ccnt;	/* user's idea of screen size */
char	xBC, PC;
int	AM, BW;
char	tbuf[1024], tcapbuf[128];
char	*tgetstr(), *tgoto();
int	Klength;	/* length of KX strings */
int	chunk;		/* amount of money given at a time */
#ifdef	debug
#define	cashvalue	(loot-penalty)/25
#else
#define cashvalue	chunk*(loot-penalty)/25
#endif

struct point {
	int col, line;
};
struct point cursor;
struct sgttyb orig, new;
#ifdef TIOCLGET
struct ltchars olttyc, nlttyc;
#endif
struct point *point();

#define	same(s1, s2)	((s1)->line == (s2)->line && (s1)->col == (s2)->col)

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