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/* $OpenBSD: extern.h,v 1.6 2003/06/03 03:01:38 millert Exp $ */
/* $NetBSD: extern.h,v 1.4 1995/04/27 21:22:22 mycroft Exp $ */
/*-
* 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 *file;
extern int clck, safe_planes, start_time, test_mode, makenoise;
extern FILE *filein, *fileout;
extern C_SCREEN screen, *sp;
extern LIST air, ground;
extern struct termios tty_start, tty_new;
extern DISPLACEMENT displacement[MAXDIR];
int addplane(void);
void append(LIST *, PLANE *);
void check_adir(int, int, int);
void check_edge(int, int);
void check_edir(int, int, int);
void check_line(int, int, int, int);
void check_linepoint(int, int);
void check_point(int, int);
int checkdefs(void);
int compar(const void *, const void *);
void delete(LIST *, PLANE *);
int dir_deg(int);
int dir_no(char);
void done_screen(void);
void draw_all(void);
void draw_line(WINDOW *, int, int, int, int, const char *);
void erase_all(void);
int getAChar(void);
int getcommand(void);
int gettoken(void);
void ioaddstr(int, const char *);
void ioclrtobot(void);
void ioclrtoeol(int);
void ioerror(int, int, const char *);
void iomove(int);
int list_games(void);
int log_score(int);
void log_score_quit(int);
void loser(const PLANE *, const char *);
char name(const PLANE *);
int next_plane(void);
void noise(void);
int number(char);
int open_score_file(void);
void planewin(void);
int pop(void);
void push(int, int);
void quit(int);
int read_file(const char *);
void redraw(void);
void rezero(void);
void setup_screen(const C_SCREEN *);
int too_close(const PLANE *p1, const PLANE *p2, int);
void update(int);
int yyerror(const char *);
int yylex(void);
int yyparse(void);
const char *Left(char);
const char *Right(char);
const char *airport(char);
const char *beacon(char);
const char *benum(char);
const char *circle(char);
const char *climb(char);
const char *command(PLANE *);
const char *default_game(void);
const char *delayb(char);
const char *descend(char);
const char *ex_it(char);
PLANE *findplane(int);
const char *ignore(char);
const char *left(char);
const char *mark(char);
PLANE *newplane(void);
const char *okay_game(const char *);
const char *rel_dir(char);
const char *right(char);
const char *setalt(char);
const char *setplane(char);
const char *setrelalt(char);
const char *timestr(int);
const char *to_dir(char);
const char *turn(char);
const char *unmark(char);
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