crypt.c
author Markus Bröker <mbroeker@largo.dyndns.tv>
Sat, 13 Dec 2008 17:58:00 +0100
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We use return EXIT_SUCCESS instead of return 0 committer: Markus Bröker <mbroeker@largo.homelinux.org>
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/**
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 *     $Id: crypt.c,v 1.1.1.1 2008-04-28 17:32:53 mbroeker Exp $
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 * $Source: /development/c/demos/crypt.c,v $
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 *
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int main (int argc, char **argv)
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{
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    char *data;
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    int i;
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    if (argc != 2) {
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        printf ("Usage: %s <str>\n", argv[0]);
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        return EXIT_SUCCESS;
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    }
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    /*
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     * Its already allocated
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     */
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    data = argv[1];
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    for (i = 0; data[i]; i++)
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        data[i] = data[i] + 1;
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    printf ("EnCrypted Data: %s\n", data);
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    for (i = 0; data[i]; i++)
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        data[i] = data[i] - 1;
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    printf ("DeCrypted Data: %s\n", data);
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    return EXIT_SUCCESS;
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}