struc CPPrepare
 cppFlags       dw 0                    ; Flags (device-specific)
 cppLength      dw (codepage_ids+1) * 2 ; Byte size of structure,
                                        ;   excl. first two fields
 cppIds         dw codepage_ids         ; No. of code pages in list
 cppId          dw codepage_ids dup (?) ; Array of code pages
ends