/*-
 * Copyright (c) 1990, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Ed James.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      @(#)extern.h    8.1 (Berkeley) 5/31/93
 */

/*
 * Copyright (c) 1987 by Ed James, UC Berkeley.  All rights reserved.
 *
 * Copy permission is hereby granted provided that this notice is
 * retained on all partial or complete copies.
 *
 * For more info on this and all of my stuff, mail edjames@berkeley.edu.
 */

extern char             GAMES[];
extern const char       *filename;

extern int              clck, safe_planes, start_time, test_mode;

extern FILE             *filein, *fileout;

extern C_SCREEN         screen, *sp;

extern LIST             air, ground;

extern struct termios   tty_start, tty_new;

extern DISPLACEMENT     displacement[MAXDIR];

/* graphics.c */
extern void     done_screen(void);
extern void     draw_all(void);
extern void     erase_all(void);
extern int      getAChar(void);
extern void     init_gr(void);
extern void     ioaddstr(int, const char *);
extern void     ioclrtobot(void);
extern void     ioclrtoeol(int);
extern void     ioerror(int, int, const char *);
extern void     iomove(int);
extern void     loser(const PLANE *, const char *) __dead2;
extern void     planewin(void);
extern void     redraw(void);
extern void     setup_screen(const C_SCREEN *);
extern void     quit(int);
/* input.c */
extern int      dir_no(char);
extern int      getcommand(void);
/* list.c */
extern void     append(LIST *, PLANE *);
extern void     delete(LIST *, PLANE *);
extern PLANE    *newplane(void);
/* log.c */
extern int      log_score(int);
extern void     log_score_quit(int) __dead2;
extern void     open_score_file(void);
/* update.c */
extern int      addplane(void);
extern const char       *command(const PLANE *);
extern PLANE    *findplane(int);
extern char     name(const PLANE *);
extern char     number(char);
extern void     update(int);