ref: 855a60a7698acb993b68f8e64448bd2fc3ff86da dir: /n_window.h/
extern char* NWindow_Type; typedef struct NWindow NWindow; struct NWindow { Nelem; DECL_SLOTFUNC(NWindow, Slot); DECL_ACCESSOR(NWindow, MakeRoot); }; NWindow* New_Window(char*);