Int 2F Fn 1227  U - DOS 3.3+ Internal - Close File                         [D]

   AX = 1227h
   BX = file handle
   SS = DOS DS (must be using a DOS internal stack)

Return: CF set on error
       AL = 06h invalid file handle
   CF clear if successful

Notes: can only be called from within DOS
   equivalent to INT 21/AH=3Eh
   used by NLSFUNC to access COUNTRY.SYS when invoked by the DOS kernel

See Also: AX=1106h,AX=1201h,AX=1226h,INT 21/AH=3Eh