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The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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;* CloseFile - Closes an open file, specified by handle. See the CopyFile
;* procedure for another example of using DOS Function 3Eh to close files.
;*
;* Shows:   DOS Function - 3EH (Close File)
;*
;* Params:  handle - File handle
;*
;* Return:  None
 
CloseFile PROC \
        handle:WORD
 
        mov     bx, handle              ; BX = file handle
        mov     ah, 3Eh                 ; DOS Function 3Eh
        int     21h                     ; Close file
        ret
 
CloseFile ENDP
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