-/* bridgefall.c */
-extern void bridgefall(struct sctstr *, struct emp_qelem *);
-extern void knockdown(struct sctstr *, struct emp_qelem *);
-/* damage.c */
-extern void landdamage(struct lndstr *, int);
-extern void ship_damage(struct shpstr *, int);
-extern int damage(int, int);
-extern void shipdamage(struct shpstr *, int);
-extern void land_damage(struct lndstr *, int);
-extern void planedamage(struct plnstr *, int);
-extern int nukedamage(struct nchrstr *, int, int);
-extern int effdamage(int, int);
-extern void item_damage(int, short *);
-extern int commdamage(int, int, i_type);
-/* check.c */
-extern int check_sect_ok(struct sctstr *);
-extern int check_ship_ok(struct shpstr *);
-extern int check_land_ok(struct lndstr *);
-extern int check_nuke_ok(struct nukstr *);
-extern int check_plane_ok(struct plnstr *);
-extern int check_comm_ok(struct comstr *);
-extern int check_loan_ok(struct lonstr *);
-extern int check_trade_ok(struct trdstr *);