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Annotation of 43BSDReno/games/hangman/getguess.c, revision 1.1.1.1

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: (1) source distributions retain this entire copyright
                      7:  * notice and comment, and (2) distributions including binaries display
                      8:  * the following acknowledgement:  ``This product includes software
                      9:  * developed by the University of California, Berkeley and its contributors''
                     10:  * in the documentation or other materials provided with the distribution
                     11:  * and in all advertising materials mentioning features or use of this
                     12:  * software. Neither the name of the University nor the names of its
                     13:  * contributors may be used to endorse or promote products derived
                     14:  * from this software without specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  */
                     19: 
                     20: #ifndef lint
                     21: static char sccsid[] = "@(#)getguess.c 5.4 (Berkeley) 6/1/90";
                     22: #endif /* not lint */
                     23: 
                     24: # include      "hangman.h"
                     25: 
                     26: /*
                     27:  * getguess:
                     28:  *     Get another guess
                     29:  */
                     30: getguess()
                     31: {
                     32:        register int    i;
                     33:        register int    ch;
                     34:        register bool   correct;
                     35: 
                     36:        leaveok(stdscr, FALSE);
                     37:        for (;;) {
                     38:                move(PROMPTY, PROMPTX + sizeof "Guess: ");
                     39:                refresh();
                     40:                ch = readch();
                     41:                if (isalpha(ch)) {
                     42:                        if (isupper(ch))
                     43:                                ch = tolower(ch);
                     44:                        if (Guessed[ch - 'a'])
                     45:                                mvprintw(MESGY, MESGX, "Already guessed '%c'", ch);
                     46:                        else
                     47:                                break;
                     48:                }
                     49:                else if (ch == CTRL('D'))
                     50:                        die();
                     51:                else
                     52:                        mvprintw(MESGY, MESGX, "Not a valid guess: '%s'",
                     53:                                unctrl(ch));
                     54:        }
                     55:        leaveok(stdscr, TRUE);
                     56:        move(MESGY, MESGX);
                     57:        clrtoeol();
                     58: 
                     59:        Guessed[ch - 'a'] = TRUE;
                     60:        correct = FALSE;
                     61:        for (i = 0; Word[i] != '\0'; i++)
                     62:                if (Word[i] == ch) {
                     63:                        Known[i] = ch;
                     64:                        correct = TRUE;
                     65:                }
                     66:        if (!correct)
                     67:                Errors++;
                     68: }
                     69: 
                     70: /*
                     71:  * readch;
                     72:  *     Read a character from the input
                     73:  */
                     74: readch()
                     75: {
                     76:        register int    cnt, r;
                     77:        auto char       ch;
                     78: 
                     79:        cnt = 0;
                     80:        for (;;) {
                     81:                if (read(0, &ch, sizeof ch) <= 0)
                     82:                {
                     83:                        if (++cnt > 100)
                     84:                                die();
                     85:                }
                     86:                else if (ch == CTRL('L')) {
                     87:                        wrefresh(curscr);
                     88:                        mvcur(0, 0, curscr->_cury, curscr->_curx);
                     89:                }
                     90:                else
                     91:                        return ch;
                     92:        }
                     93: }

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