-/* age.c */
-extern int age_people(int, int);
-extern void age_levels(int);
-/* anno.c */
-extern void delete_old_announcements(void);
-/* bp.c */
-/* in budg.h */
-/* deliver.c */
-extern void dodeliver(struct sctstr *);
-/* distribute.c */
-extern int dodistribute(struct sctstr *, int, double);
-/* finish.c */
-extern void finish_sects(int);
-/* human.c */
-extern int new_work(struct sctstr *, int);
-extern int do_feed(struct sctstr *, struct natstr *, short *, int *, int);
-extern int feed_people(short *, int);
-extern double food_needed(short *, int);
-extern int famine_victims(short *, int);
-/* land.c */
-extern int prod_land(int, int, struct bp *, int);
-/* main.c */
-/* in server.h */
-/* material.c */
-/* in budg.h */
-/* mobility.c */
-extern void mob_sect(void);
-extern void mob_ship(void);
-extern void mob_land(void);
-extern void mob_plane(void);
-extern void sct_do_upd_mob(struct sctstr *sp);
-extern void shp_do_upd_mob(struct shpstr *sp);
-extern void lnd_do_upd_mob(struct lndstr *lp);
-extern void pln_do_upd_mob(struct plnstr *pp);
-/* move_sat.c */
-extern void move_sat(struct plnstr *);
-/* nat.c */
-extern void prod_nat(int);
-/* nav_ship.c */
-extern int nav_ship(struct shpstr *);
-/* nav_util.c */
-extern int load_it(struct shpstr *, struct sctstr *, int);
-extern void unload_it(struct shpstr *);
-/* nxtitemp.c */
-/* in nsc.h */
-/* plague.c */
-extern void do_plague(struct sctstr *, struct natstr *, int);
-extern int plague_people(struct natstr *, short *, int *, int *, int);
-/* plane.c */
-extern int prod_plane(int, int, struct bp *, int);
-/* populace.c */
-extern void populace(struct natstr *, struct sctstr *, int);
-extern int total_work(int, int, int, int, int, int);
-/* prepare.c */
-extern void tax(struct sctstr *, struct natstr *, int, long *, int *,
- int *, int *);
-extern int upd_slmilcosts(natid, int);
-extern void prepare_sects(int, struct bp *);
-extern int bank_income(struct sctstr *, int);
-/* produce.c */
-extern int produce(struct natstr *, struct sctstr *, short *, int, int,
- int, int *, int *);
-extern double prod_eff(int, float);
-/* removewants.c */
-extern int update_removewants(void);
-/* revolt.c */
-extern void revolt(struct sctstr *);
-extern void guerrilla(struct sctstr *);
-/* sail.c */
-extern void sail_ship(natid);
-/* sect.c */
-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 *, long [][2]);
-/* ship.c */
-extern int prod_ship(int, int, struct bp *, int);