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Annotation of 43BSDReno/games/morse/morse.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1988 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: char copyright[] =
        !            22: "@(#) Copyright (c) 1988 Regents of the University of California.\n\
        !            23:  All rights reserved.\n";
        !            24: #endif /* not lint */
        !            25: 
        !            26: #ifndef lint
        !            27: static char sccsid[] = "@(#)morse.c    5.2 (Berkeley) 6/1/90";
        !            28: #endif /* not lint */
        !            29: 
        !            30: #include <stdio.h>
        !            31: #include <ctype.h>
        !            32: 
        !            33: static char
        !            34:        *digit[] = {
        !            35:        "-----",
        !            36:        ".----",
        !            37:        "..---",
        !            38:        "...--",
        !            39:        "....-",
        !            40:        ".....",
        !            41:        "-....",
        !            42:        "--...",
        !            43:        "---..",
        !            44:        "----.",
        !            45: },
        !            46:        *alph[] = {
        !            47:        ".-",
        !            48:        "-...",
        !            49:        "-.-.",
        !            50:        "-..",
        !            51:        ".",
        !            52:        "..-.",
        !            53:        "--.",
        !            54:        "....",
        !            55:        "..",
        !            56:        ".---",
        !            57:        "-.-",
        !            58:        ".-..",
        !            59:        "--",
        !            60:        "-.",
        !            61:        "---",
        !            62:        ".--.",
        !            63:        "--.-",
        !            64:        ".-.",
        !            65:        "...",
        !            66:        "-",
        !            67:        "..-",
        !            68:        "...-",
        !            69:        ".--",
        !            70:        "-..-",
        !            71:        "-.--",
        !            72:        "--..",
        !            73: };
        !            74: 
        !            75: static int sflag;
        !            76: 
        !            77: main(argc, argv)
        !            78:        int argc;
        !            79:        char **argv;
        !            80: {
        !            81:        extern char *optarg;
        !            82:        extern int optind;
        !            83:        register int ch;
        !            84:        register char *p;
        !            85: 
        !            86:        while ((ch = getopt(argc, argv, "s")) != EOF)
        !            87:                switch((char)ch) {
        !            88:                case 's':
        !            89:                        sflag = 1;
        !            90:                        break;
        !            91:                case '?':
        !            92:                default:
        !            93:                        fprintf(stderr, "usage: morse [string ...]");
        !            94:                        exit(1);
        !            95:                }
        !            96:        argc -= optind;
        !            97:        argv += optind;
        !            98: 
        !            99:        if (*argv)
        !           100:                do {
        !           101:                        for (p = *argv; *p; ++p)
        !           102:                                morse((int)*p);
        !           103:                } while (*++argv);
        !           104:        else while ((ch = getchar()) != EOF)
        !           105:                morse(ch);
        !           106: }
        !           107: 
        !           108: static
        !           109: morse(c)
        !           110:        register int c;
        !           111: {
        !           112:        if (isalpha(c))
        !           113:                show(alph[c - (isupper(c) ? 'A' : 'a')]);
        !           114:        else if (isdigit(c))
        !           115:                show(digit[c - '0']);
        !           116:        else if (c == ',')
        !           117:                show("--..--");
        !           118:        else if (c == '.')
        !           119:                show(".-.-.-");
        !           120:        else if (isspace(c))
        !           121:                show(" ...\n");
        !           122: }
        !           123: 
        !           124: static
        !           125: show(s)
        !           126:        register char *s;
        !           127: {
        !           128:        if (sflag)
        !           129:                printf(" %s", s);
        !           130:        else for (; *s; ++s)
        !           131:                printf(" %s", *s == '.' ? "dit" : "daw");
        !           132:        printf(",\n");
        !           133: }

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