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Annotation of 43BSDTahoe/games/hangman/getguess.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1983 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that the above copyright notice and this paragraph are
        !             7:  * duplicated in all such forms and that any documentation,
        !             8:  * advertising materials, and other materials related to such
        !             9:  * distribution and use acknowledge that the software was developed
        !            10:  * by the University of California, Berkeley.  The name of the
        !            11:  * University may not be used to endorse or promote products derived
        !            12:  * from this software without specific prior written permission.
        !            13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            16:  */
        !            17: 
        !            18: #ifndef lint
        !            19: static char sccsid[] = "@(#)getguess.c 5.3 (Berkeley) 6/18/88";
        !            20: #endif /* not lint */
        !            21: 
        !            22: # include      "hangman.h"
        !            23: 
        !            24: /*
        !            25:  * getguess:
        !            26:  *     Get another guess
        !            27:  */
        !            28: getguess()
        !            29: {
        !            30:        register int    i;
        !            31:        register int    ch;
        !            32:        register bool   correct;
        !            33: 
        !            34:        leaveok(stdscr, FALSE);
        !            35:        for (;;) {
        !            36:                move(PROMPTY, PROMPTX + sizeof "Guess: ");
        !            37:                refresh();
        !            38:                ch = readch();
        !            39:                if (isalpha(ch)) {
        !            40:                        if (isupper(ch))
        !            41:                                ch = tolower(ch);
        !            42:                        if (Guessed[ch - 'a'])
        !            43:                                mvprintw(MESGY, MESGX, "Already guessed '%c'", ch);
        !            44:                        else
        !            45:                                break;
        !            46:                }
        !            47:                else if (ch == CTRL('D'))
        !            48:                        die();
        !            49:                else
        !            50:                        mvprintw(MESGY, MESGX, "Not a valid guess: '%s'",
        !            51:                                unctrl(ch));
        !            52:        }
        !            53:        leaveok(stdscr, TRUE);
        !            54:        move(MESGY, MESGX);
        !            55:        clrtoeol();
        !            56: 
        !            57:        Guessed[ch - 'a'] = TRUE;
        !            58:        correct = FALSE;
        !            59:        for (i = 0; Word[i] != '\0'; i++)
        !            60:                if (Word[i] == ch) {
        !            61:                        Known[i] = ch;
        !            62:                        correct = TRUE;
        !            63:                }
        !            64:        if (!correct)
        !            65:                Errors++;
        !            66: }
        !            67: 
        !            68: /*
        !            69:  * readch;
        !            70:  *     Read a character from the input
        !            71:  */
        !            72: readch()
        !            73: {
        !            74:        register int    cnt, r;
        !            75:        auto char       ch;
        !            76: 
        !            77:        cnt = 0;
        !            78:        for (;;) {
        !            79:                if (read(0, &ch, sizeof ch) <= 0)
        !            80:                {
        !            81:                        if (++cnt > 100)
        !            82:                                die();
        !            83:                }
        !            84:                else if (ch == CTRL('L')) {
        !            85:                        wrefresh(curscr);
        !            86:                        mvcur(0, 0, curscr->_cury, curscr->_curx);
        !            87:                }
        !            88:                else
        !            89:                        return ch;
        !            90:        }
        !            91: }

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