94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
/*
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* Copyright (c) 1983 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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/*static char sccsid[] = "from: @(#)getword.c 5.3 (Berkeley) 6/1/90";*/
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static char rcsid[] = "$Id: getword.c,v 1.2 1993/08/01 18:54:25 mycroft Exp $";
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#endif /* not lint */
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# include "hangman.h"
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# if pdp11
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# define RN (((off_t) rand() << 16) | (off_t) rand())
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# else
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# define RN rand()
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# endif
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/*
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* getword:
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* Get a valid word out of the dictionary file
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*/
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getword()
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{
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register FILE *inf;
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register char *wp, *gp;
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inf = Dict;
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for (;;) {
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fseek(inf, abs(RN % Dict_size), 0);
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if (fgets(Word, BUFSIZ, inf) == NULL)
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continue;
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if (fgets(Word, BUFSIZ, inf) == NULL)
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continue;
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Word[strlen(Word) - 1] = '\0';
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if (strlen(Word) < MINLEN)
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continue;
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for (wp = Word; *wp; wp++)
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if (!islower(*wp))
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goto cont;
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break;
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cont: ;
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}
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gp = Known;
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wp = Word;
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while (*wp) {
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*gp++ = '-';
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wp++;
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}
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*gp = '\0';
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}
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/*
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* abs:
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* Return the absolute value of an integer
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*/
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off_t
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abs(i)
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off_t i;
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{
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if (i < 0)
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return -(off_t) i;
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else
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return (off_t) i;
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}
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