extern int carrier_planes(struct shpstr *, int);
extern void pln_sel(struct nstr_item *, struct emp_qelem *,
struct sctstr *, int, int, int, int);
-extern int pln_arm(struct emp_qelem *, int, char, struct ichrstr *,
- int, int);
+extern void pln_arm(struct emp_qelem *, int, char, struct ichrstr *, int);
extern int pln_mobcost(int, struct plnstr *, int);
extern void pln_put(struct emp_qelem *);
extern void pln_put1(struct plist *);