INT 2F - DOS 3.3+ internal - CLOSE FILE 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 SeeAlso: AX=1106h,AX=1201h,AX=1226h,INT 21/AH=3Eh