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/* $NetBSD: getguess.c,v 1.8 2003/08/07 09:37:21 agc Exp $ */

/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* 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.
*/

#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)getguess.c 8.1 (Berkeley) 5/31/93";
#else
__RCSID("$NetBSD: getguess.c,v 1.8 2003/08/07 09:37:21 agc Exp $");
#endif
#endif /* not lint */

#include <sys/ttydefaults.h>
#include "hangman.h"

/*
* getguess:
* Get another guess
*/
void
getguess()
{
int i;
int ch;
bool correct;

leaveok(stdscr, FALSE);
for (;;) {
move(PROMPTY, PROMPTX + sizeof "Guess: ");
refresh();
ch = readch();
if (isalpha(ch)) {
if (isupper(ch))
ch = tolower(ch);
if (Guessed[ch - 'a'])
mvprintw(MESGY, MESGX, "Already guessed '%c'",
ch);
else
break;
} else
if (ch == CTRL('D'))
die(0);
else
mvprintw(MESGY, MESGX,
"Not a valid guess: '%s'", unctrl(ch));
}
leaveok(stdscr, TRUE);
move(MESGY, MESGX);
clrtoeol();

Guessed[ch - 'a'] = TRUE;
correct = FALSE;
for (i = 0; Word[i] != '\0'; i++)
if (Word[i] == ch) {
Known[i] = ch;
correct = TRUE;
}
if (!correct)
Errors++;
}
/*
* readch;
* Read a character from the input
*/
int
readch()
{
int cnt;
char ch;

cnt = 0;
for (;;) {
if (read(0, &ch, sizeof ch) <= 0) {
if (++cnt > 100)
die(0);
} else
if (ch == CTRL('L')) {
wrefresh(curscr);
} else
return ch;
}
}
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