ref: 7d7806db6cd48b8ebd565f636eebc59939e72c53
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); }; NWindow* New_Window(char*);