Int 2F Fn 1229  U - DOS 3.3+ Internal - Read From File                     [D]

   AX = 1229h
   BX = file handle
   CX = number of bytes to read
   DS:DX -> buffer
   SS = DOS DS (must be using a DOS internal stack)

Return: as for INT 21/AH=3Fh

Notes: equivalent to INT 21/AH=3Fh, but may only be called when already inside
     a DOS function call
   used by NLSFUNC to access COUNTRY.SYS when invoked by the DOS kernel

See Also: AX=1226h,INT 21/AH=3Fh