/**
 * test/demos/lsflib/src/xor.c
 * Copyright (C) 2008 Markus Broeker
 */

#include <string.h>

char *xor (char *s, char key)
{
    int i;

    for (i = 0; i < strlen (s); i++)
        s[i] ^= key;

    return s;
}