Int 21/AH=10h

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DOS 1+ - CLOSE FILE USING FCB

AH = 10h
DS:DX -> File Control Block (see #01345)

Return:
AL = status 00h successful FFh failed

Notes: A successful close forces all disk buffers used by the file to be written and the directory entry to be updated. Not supported by MS Windows 3.0 DOSX.EXE DOS extender

See Also: AH=0Fh - AH=16h - AH=3Eh

Category: DOS Kernel - Int 21h - D

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