+void tui_wtoscr(struct tui_widget *w, int x, int y, int *retx, int *rety);
+void tui_scrtow(struct tui_widget *w, int x, int y, int *retx, int *rety);
+
+void tui_status(int type, const char *fmt, ...);
+void tui_vstatus(int type, const char *fmt, va_list ap);
+void tui_msgbox(int type, const char *title, const char *msg, ...);
+void tui_vmsgbox(int type, const char *title, const char *msg, va_list ap);
+