extern void do_fallout(struct sctstr *, int);
extern void spread_fallout(struct sctstr *, int);
extern void decay_fallout(struct sctstr *, int);
-extern void produce_sect(int, int, struct bp *, int[][2]);
+extern void produce_sect(struct natstr *, int, struct bp *, int[][2]);
/* ship.c */
extern int prod_ship(int, int, struct bp *, int);