ref: 6ff9ef0c4bef23bfd91f33f0c2f5cab0b88c0307
dir: /n_window.h/
extern char* NWindow_Type; typedef struct NWindow NWindow; struct NWindow { Nelem; DECL_ACCESSOR_OneParam(NWindow, Slot, Nelem*); DECL_ACCESSOR(NWindow, MakeRoot); // private members Nlist child; }; NWindow* New_Window(void);