Int 2D  - Dlite 1.0+ - Check For Dpressed File And Get Compressed Size     [d]

   AL = 12h
   AH = AMIS multiplex number for dLite
   BX = file handle

Return: CF clear if successful
       DX:AX = size of compressed file
   CF set on error (not dPressed file)

See Also: AL=10h"dLite",AL=11h"dLite"