coord, coord, int);
extern void pln_mine(struct emp_qelem *, coord, coord);
extern int pln_capable(struct plnstr *, int, int);
+extern int pln_caps(struct emp_qelem *);
extern int pln_airbase_ok(struct plnstr *, int, int);
extern int carrier_planes(struct shpstr *, int);
extern void pln_sel(struct nstr_item *, struct emp_qelem *,