NetBSD/games/morse/morse.c

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/* $NetBSD: morse.c,v 1.4 1997/10/10 16:38:40 lukem Exp $ */
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/*
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
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*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*/
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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1988, 1993\n\
The Regents of the University of California. All rights reserved.\n");
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#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)morse.c 8.1 (Berkeley) 5/31/93";
#else
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__RCSID("$NetBSD: morse.c,v 1.4 1997/10/10 16:38:40 lukem Exp $");
#endif
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#endif /* not lint */
#include <ctype.h>
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#include <stdio.h>
#include <unistd.h>
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static char
*digit[] = {
"-----",
".----",
"..---",
"...--",
"....-",
".....",
"-....",
"--...",
"---..",
"----.",
},
*alph[] = {
".-",
"-...",
"-.-.",
"-..",
".",
"..-.",
"--.",
"....",
"..",
".---",
"-.-",
".-..",
"--",
"-.",
"---",
".--.",
"--.-",
".-.",
"...",
"-",
"..-",
"...-",
".--",
"-..-",
"-.--",
"--..",
};
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int main __P((int, char *[]));
void morse __P((int));
void show __P((char *));
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static int sflag;
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int
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main(argc, argv)
int argc;
char **argv;
{
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int ch;
char *p;
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while ((ch = getopt(argc, argv, "s")) != -1)
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switch((char)ch) {
case 's':
sflag = 1;
break;
case '?':
default:
fprintf(stderr, "usage: morse [string ...]");
exit(1);
}
argc -= optind;
argv += optind;
if (*argv)
do {
for (p = *argv; *p; ++p)
morse((int)*p);
} while (*++argv);
else while ((ch = getchar()) != EOF)
morse(ch);
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exit(0);
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}
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void
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morse(c)
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int c;
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{
if (isalpha(c))
show(alph[c - (isupper(c) ? 'A' : 'a')]);
else if (isdigit(c))
show(digit[c - '0']);
else if (c == ',')
show("--..--");
else if (c == '.')
show(".-.-.-");
else if (isspace(c))
show(" ...\n");
}
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void
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show(s)
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char *s;
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{
if (sflag)
printf(" %s", s);
else for (; *s; ++s)
printf(" %s", *s == '.' ? "dit" : "daw");
printf(",\n");
}