back.h revision 1.8
1 /* $NetBSD: back.h,v 1.8 1997/10/14 00:53:26 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 1980, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)back.h 8.1 (Berkeley) 5/31/93 36 */ 37 38 #include <sys/types.h> 39 #include <sys/uio.h> 40 41 #include <fcntl.h> 42 #include <signal.h> 43 #include <stdio.h> 44 #include <stdlib.h> 45 #include <string.h> 46 #include <termios.h> 47 #include <termcap.h> 48 #include <unistd.h> 49 50 #define rnum(r) (random()%r) 51 #define D0 dice[0] 52 #define D1 dice[1] 53 #define swap {D0 ^= D1; D1 ^= D0; D0 ^= D1; d0 = 1-d0;} 54 55 /* 56 * 57 * Some numerical conventions: 58 * 59 * Arrays have white's value in [0], red in [1]. 60 * Numeric values which are one color or the other use 61 * -1 for white, 1 for red. 62 * Hence, white will be negative values, red positive one. 63 * This makes a lot of sense since white is going in decending 64 * order around the board, and red is ascending. 65 * 66 */ 67 68 extern char EXEC[]; /* object for main program */ 69 extern char TEACH[]; /* object for tutorial program */ 70 71 extern int pnum; /* color of player: 72 -1 = white 73 1 = red 74 0 = both 75 2 = not yet init'ed */ 76 extern char args[100]; /* args passed to teachgammon and back */ 77 extern int acnt; /* length of args */ 78 extern int aflag; /* flag to ask for rules or instructions */ 79 extern int bflag; /* flag for automatic board printing */ 80 extern int cflag; /* case conversion flag */ 81 extern int hflag; /* flag for cleaning screen */ 82 extern int mflag; /* backgammon flag */ 83 extern int raflag; /* 'roll again' flag for recovered game */ 84 extern int rflag; /* recovered game flag */ 85 extern int tflag; /* cursor addressing flag */ 86 extern int rfl; /* saved value of rflag */ 87 extern int iroll; /* special flag for inputting rolls */ 88 extern int board[26]; /* board: negative values are white, 89 positive are red */ 90 extern int dice[2]; /* value of dice */ 91 extern int mvlim; /* 'move limit': max. number of moves */ 92 extern int mvl; /* working copy of mvlim */ 93 extern int p[5]; /* starting position of moves */ 94 extern int g[5]; /* ending position of moves (goals) */ 95 extern int h[4]; /* flag for each move if a man was hit */ 96 extern int cturn; /* whose turn it currently is: 97 -1 = white 98 1 = red 99 0 = just quitted 100 -2 = white just lost 101 2 = red just lost */ 102 extern int d0; /* flag if dice have been reversed from 103 original position */ 104 extern int table[6][6]; /* odds table for possible rolls */ 105 extern int rscore; /* red's score */ 106 extern int wscore; /* white's score */ 107 extern int gvalue; /* value of game (64 max.) */ 108 extern int dlast; /* who doubled last (0 = neither) */ 109 extern int bar; /* position of bar for current player */ 110 extern int home; /* position of home for current player */ 111 extern int off[2]; /* number of men off board */ 112 extern int *offptr; /* pointer to off for current player */ 113 extern int *offopp; /* pointer to off for opponent */ 114 extern int in[2]; /* number of men in inner table */ 115 extern int *inptr; /* pointer to in for current player */ 116 extern int *inopp; /* pointer to in for opponent */ 117 118 extern int ncin; /* number of characters in cin */ 119 extern char cin[100]; /* input line of current move 120 (used for reconstructing input after 121 a backspace) */ 122 123 extern char *color[]; 124 /* colors as strings */ 125 extern char **colorptr; /* color of current player */ 126 extern char **Colorptr; /* color of current player, capitalized */ 127 extern int colen; /* length of color of current player */ 128 129 extern struct termios old, noech, raw;/* original tty status */ 130 131 extern int curr; /* row position of cursor */ 132 extern int curc; /* column position of cursor */ 133 extern int begscr; /* 'beginning' of screen 134 (not including board) */ 135 136 void addbuf __P((int)); 137 void backone __P((int)); 138 void bsect __P((int, int, int, int)); 139 void buflush __P((void)); 140 int canhit __P((int, int)); 141 int checkd __P((int)); 142 int checkmove __P((int)); 143 void clear __P((void)); 144 void clend __P((void)); 145 void cline __P((void)); 146 int count __P((void)); 147 void curmove __P((int, int)); 148 int dotable __P((char, int)); 149 void errexit __P((const char *)); 150 void fancyc __P((int)); 151 void fboard __P((void)); 152 void fixcol __P((int, int, int, int, int)); 153 void fixpos __P((int, int, int, int, int)); 154 void fixtty __P((struct termios *)); 155 void getarg __P((char ***)); 156 int getcaps __P((char *)); 157 void getmove __P((void)); 158 void getout __P((int)); 159 void gwrite __P((void)); 160 void init __P((void)); 161 int last __P((void)); 162 int main __P((int, char *[])); 163 int makmove __P((int)); 164 int movallow __P((void)); 165 void movback __P((int)); 166 void moverr __P((int)); 167 int movokay __P((int)); 168 void newline __P((void)); 169 void newpos __P((void)); 170 void nexturn __P((void)); 171 void norec __P((char *)); 172 void odds __P((int, int, int)); 173 void proll __P((void)); 174 int quit __P((void)); 175 int readc __P((void)); 176 void recover __P((char *)); 177 void refresh __P((void)); 178 void roll __P((void)); 179 int rsetbrd __P((void)); 180 void save __P((int)); 181 void strset __P((char *, char *)); 182 int text __P((char **)); 183 void tos __P((void)); 184 void wrboard __P((void)); 185 void wrbsub __P((void)); 186 void wrhit __P((int)); 187 void wrint __P((int)); 188 void writec __P((char)); 189 void writel __P((char *)); 190 void wrscore __P((void)); 191 int yorn __P((char)); 192
Indexes created Mon Sep 29 21:09:56 GMT 2025