File: cvt-help.c

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/*
 *	(c) Copyright 1990, Kim Fabricius Storm.  All rights reserved.
 *      Copyright (c) 1996-2003 Michael T Pins.  All rights reserved.
 *
 *	Convert help-files to binary.
 *	;:X	->	^X (control X)
 */

#include <stdio.h>
#include <stdlib.h>

int
main(void)
{
    register int    c;

    while ((c = getchar()) != EOF) {
	if (c == ';') {
	    c = getchar();
	    if (c == ':') {
		c = getchar();
		putchar(c & 0xf);
		continue;
	    }
	    putchar(';');
	    putchar(c);
	    continue;
	}
	if (c >= 1 && c <= 7) {
	    putchar(';');
	    putchar(':');
	    putchar(c | 0x40);
	    continue;
	}
	putchar(c);
    }

    exit(0);
}