#define CURRENT_YEAR 2008

UINT TimeSpan(const UINT *thisYear)
{
    UINT span = 0;
    for (UINT C = 1981; C < thisYear; C++)
       span++;
    return span;
}

int main()
{
    printf("%ui: I'm screwed!!", TimeSpan(CURRENT_YEAR));
}

This is cryptic, isn’t it?

No wait, probably it’s not ;)