Here are the data structures with brief descriptions:
|  CF4sGenerateIn | Input parameter structure to generate the signature file of the SEPA archive  | 
|  CF4sLoad | Parameter structure to load an archive  | 
|  CF4sMigrateIn | Input parameter structure to migrate the signature file of the SEPA archive  | 
|  CF4sNfEntry21 | Parameter structure to define the search field for an research in an archive  | 
|  CF4sNfHeader | Header structure for a lookup request  | 
|  CF4sNfTab | Overlay/Union for the different request structure arrays  | 
|  CF4sOut | Output structure  | 
|  CF4sSearchIn | Input parameter structure for lookups in an archive  | 
|  CF4sUpdateIn | Input parameter structure to update records in or delete from an archive  |