NetBSD/games/battlestar/battlestar.c

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/* $NetBSD: battlestar.c,v 1.16 2008/07/20 01:03:21 lukem Exp $ */
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/*
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* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
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*
* 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
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* 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.
*/
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#include <sys/cdefs.h>
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#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1983, 1993\
The Regents of the University of California. All rights reserved.");
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)battlestar.c 8.2 (Berkeley) 4/28/95";
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#else
__RCSID("$NetBSD: battlestar.c,v 1.16 2008/07/20 01:03:21 lukem Exp $");
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#endif
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#endif /* not lint */
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/*
* Battlestar - a stellar-tropical adventure game
*
* Originally written by His Lordship, Admiral David W. Horatio Riggle,
* on the Cory PDP-11/70, University of California, Berkeley.
*/
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#include "extern.h"
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int
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main(int argc, char **argv)
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{
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char mainbuf[LINELENGTH];
char *next;
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/* Open the score file then revoke setgid privileges */
open_score_file();
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setgid(getgid());
if (argc < 2)
initialize(NULL);
else if (strcmp(argv[1], "-r") == 0)
initialize((argc > 2) ? argv[2] : DEFAULT_SAVE_FILE);
else
initialize(argv[1]);
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start:
news();
if (beenthere[position] <= ROOMDESC)
beenthere[position]++;
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if (notes[LAUNCHED])
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crash(); /* decrements fuel & crash */
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if (matchlight) {
puts("Your match splutters out.");
matchlight = 0;
}
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if (!notes[CANTSEE] || testbit(inven, LAMPON) ||
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testbit(location[position].objects, LAMPON)) {
writedes();
printobjs();
} else
puts("It's too dark to see anything in here!");
whichway(location[position]);
run:
next = getcom(mainbuf, sizeof mainbuf, ">-: ",
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"Please type in something.");
for (wordcount = 0; next && wordcount < NWORD - 1; wordcount++)
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next = getword(next, words[wordcount], -1);
parse();
switch (cypher()) {
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case -1:
goto run;
case 0:
goto start;
default:
errx(1, "bad return from cypher(): please submit a bug report");
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}
}