Int 21 Fn 5700  - DOS 2+ - Get File's Date And Time                        [D]

   AX = 5700h
   BX = file handle

Return: CF clear if successful
       CX = file's time
       bits 15-11: hours (0-23)
            10-5:  minutes
             4-0:  seconds/2
       DX = file's date
       bits 15-9: year - 1980
             8-5: month
             4-0: day
   CF set on error
       AX = error code (01h,06h) (see AH=59h)

Note:  under DR-DOS 3.41 and 5.0, this function returns 0 (no date/time) for
     character devices; MS-DOS returns date and time of opening

See Also: AX=5701h