FUNCTION Main()
   LOCAL pMod := FrbLoad("/tmp/frb_simple.frb")

   ? "A:", FrbDo(pMod, "GIVEFIVE"),       "(expect 5)"
   ? "B:", FrbDo(pMod, "ADDONE", 100),    "(expect 101)"
   ? "C:", FrbDo(pMod, "COUNTTO3"),       "(expect 6)"

   FrbUnload(pMod)
   RETURN NIL