int int_to_string(char * buffer, size_t length, int number, int base)
{
    int i;
    char * Digits = "123456789";
    for (i = 0; number > 0; i++)
    {
        buffer[i] = Digits[number % base];
        number = (number - (number % base)) / base;
    }
    return i;
}