Return to ching.cno.c CVS log

Up to [CSRG BSD Unix] / 43BSDReno / games / ching / cno

Annotation of 43BSDReno/games/ching/cno/ching.cno.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1988 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * This code is derived from software contributed to Berkeley by
        !             6:  * Guy Harris.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms are permitted
        !             9:  * provided that: (1) source distributions retain this entire copyright
        !            10:  * notice and comment, and (2) distributions including binaries display
        !            11:  * the following acknowledgement:  ``This product includes software
        !            12:  * developed by the University of California, Berkeley and its contributors''
        !            13:  * in the documentation or other materials provided with the distribution
        !            14:  * and in all advertising materials mentioning features or use of this
        !            15:  * software. Neither the name of the University nor the names of its
        !            16:  * contributors may be used to endorse or promote products derived
        !            17:  * from this software without specific prior written permission.
        !            18:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            19:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            20:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            21:  */
        !            22: 
        !            23: #ifndef lint
        !            24: char copyright[] =
        !            25: "@(#) Copyright (c) 1988 The Regents of the University of California.\n\
        !            26:  All rights reserved.\n";
        !            27: #endif /* not lint */
        !            28: 
        !            29: #ifndef lint
        !            30: static char sccsid[] = "@(#)ching.cno.c        5.3 (Berkeley) 6/1/90";
        !            31: #endif /* not lint */
        !            32: 
        !            33: /*
        !            34:  * cno - Read a question, cast a change, and output the line values to the
        !            35:  * standard output for processing by "phx".
        !            36:  */
        !            37: #include <stdio.h>
        !            38: #include "ching.h"
        !            39: 
        !            40: long   now;            /* current time */
        !            41: 
        !            42: unsigned seed;         /* seed for random number generator */
        !            43: unsigned getrand();
        !            44: 
        !            45: char   *change();
        !            46: char   string[6+1];    /* where the actual change string is put */
        !            47: 
        !            48: int    table[2][2][2] = {
        !            49:        { { OYIN,  YYANG,}, { YYANG, YYIN,} },
        !            50:        { { YYANG, YYIN,},  { YYIN,  OYANG,} },
        !            51: };
        !            52: 
        !            53: main()
        !            54: {
        !            55:        FILE *logf;
        !            56: 
        !            57:        time(&now);
        !            58:        seed = (int)now + getquest() + getgid() + getuid() + getpid();  /* randomize */
        !            59:        printf("%s\n", change());
        !            60: }
        !            61: 
        !            62: /*
        !            63:  * Hash the question by adding all the characters together.
        !            64:  */
        !            65: int
        !            66: getquest()
        !            67: {
        !            68:        int result;
        !            69:        register int c;
        !            70: 
        !            71:        result = 0;
        !            72:        while ((c = getchar()) != EOF)
        !            73:                result += c;
        !            74:        return(result);
        !            75: }
        !            76: 
        !            77: /*
        !            78:  * Get a set of six lines making up a change.
        !            79:  */
        !            80: char *
        !            81: change()
        !            82: {
        !            83:        register int i;
        !            84: 
        !            85:        for (i = 0; i < 6; i++)
        !            86:                string[i] = table[getrnum()&01][getrnum()&01][getrnum()&01] + '0';
        !            87:        string[i] = '\0';
        !            88:        return(string);
        !            89: }
        !            90: 
        !            91: /*
        !            92:  * Get a number more random than what getrand() gives.
        !            93:  */
        !            94: getrnum()
        !            95: {
        !            96:        return((getrand())>>(getrand()%17));
        !            97: }
        !            98: 
        !            99: /*
        !           100:  * Get a random number.
        !           101:  */
        !           102: unsigned
        !           103: getrand()
        !           104: {
        !           105:        return(seed = (seed*13077) + 6925);
        !           106: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.