+/* Wrapper around init_win() that reads the desired window size from a file
+ * at the path prefixing the provided win name "w_name" with "config/Win_".
+ * "f" is the window drawing function (Win._draw()).
+ */
+extern struct Win init_win_from_file(struct World * world, char * w_name,
+ void (* f) (struct Win *));
+
+
+
+