Int 2F Fn 01  U - DOS 2.x Only Print.com - ???                             [c]

   AH = 01h
   ???

Return: ???

Notes: DOS 2.x PRINT.COM does not chain to previous INT 2F handler
   values in AH other than 00h or 01h cause PRINT to return the number of
     files in the queue in AH

See Also: AH=00h