#define USING_WINDOW1(w,func,safe) func(w)
#define USING_WINDOW2(w,func,data) func(w,data)
#define WANT_USE_WINDOW() extern void _nc_want_use_window(void)
#define USING_WINDOW1(w,func,safe) func(w)
#define USING_WINDOW2(w,func,data) func(w,data)
#define WANT_USE_WINDOW() extern void _nc_want_use_window(void)