/*
 * int = cmp(a, b)
 *
 * Return -1, 0 or 1 depending on whether a is less than, equal to, or
 * greater than b. This is coded in ICI because it is a real pain to
 * organise access to the code that does < and > in C.
 */
extern
cmp(a, b)
{
    return a < b ? -1 : a > b;
}
