#include "thing_actions.h" /* free_thing_actions() */
#include "things.h" /* free_things(), free_thing_types() */
#include "world.h" /* global world */
#include "thing_actions.h" /* free_thing_actions() */
#include "things.h" /* free_things(), free_thing_types() */
#include "world.h" /* global world */