extern int pln_prewrite(int, void *);
/* plnsub.c */
extern void count_planes(struct shpstr *);
+extern int get_planes(struct nstr_item *, struct nstr_item *,
+ char *, char *);
extern struct sctstr *get_assembly_point(char *, struct sctstr *, char *);
extern int pln_onewaymission(struct sctstr *, int *, int *);
extern int pln_oneway_to_carrier_ok(struct emp_qelem *,