/* Build into memory starting at "start" chain of "n" map objects of type
* "def_id".
*/
extern void * build_map_objects(struct World * world, void * start, char def_id,
/* Build into memory starting at "start" chain of "n" map objects of type
* "def_id".
*/
extern void * build_map_objects(struct World * world, void * start, char def_id,