extern int would_abandon(struct sctstr *, i_type, int, struct lndstr *);
extern int nav_map(int, int, int);
extern void switch_leader(struct emp_qelem *list, int uid);
+extern struct empobj *get_leader(struct emp_qelem *list);
+extern void pr_leader_change(struct empobj *leader);
extern int count_pop(int);
extern int scuttle_tradeship(struct shpstr *, int);
extern void scuttle_ship(struct shpstr *);