Int 21 Fn 17  - Dos 1+ - Rename File Using Fcb                             [D]

   AH = 17h
   DS:DX -> modified FCB (see also #1034)
       the old filename ('?' wildcards OK) is in the standard location
       while the new filename ('?' wildcards OK, no drive) is stored
       in the 11 bytes beginning at offset 11h

Return: AL = status
       00h successfully renamed
       FFh no matching files,file is read-only, or new name already exists

Notes: subdirectories may be renamed using an extended FCB with the
     appropriate attribute, as may volume labels
   DR DOS checks password attached with AX=4303h before permitting rename

See Also: AH=0Fh,AH=13h,AX=4303h,AH=56h,INT 2F/AX=1111h