| _tagDIRENT | Directory entry structure |
| _tagDIRINFO | Directory search structure |
| _tagFILEINFO | File handle structure |
| _tagVOLINFO | Volume information structure |
| ldiv_t | |
| tFontDef | |
| tFontTable | |
| tList | List description |
| tListItem | List item description |
| tMEMS_Info | MEMS state description |
| tMenu | Menu description |
| tMenuItem | Menu item description |
| tPointer_Info | Pointer position description |
| tToolbar | Toolbar description |
| tToolbarItem | Toolbar item description |