the definitions.
extern int ef_flags(int);
extern int ef_byname(char *);
-extern int ef_nbread(int type, int id, void *ptr);
extern struct empfile empfile[];
#endif /* _FILE_H_ */
extern struct castr treaty_ca[];
extern struct castr trade_ca[];
extern struct castr loan_ca[];
-extern struct castr genitem_ca[];
extern struct castr lost_ca[];
extern struct castr commodity_ca[];
extern int opt_NO_PLAGUE;
extern int opt_PINPOINTMISSILE;
extern int opt_RES_POP;
-extern int opt_ROLLOVER_AVAIL;
extern int opt_SAIL;
extern int opt_SHOWPLANE;
extern int opt_SLOW_WAR;
#undef EMP_CONFIG_H_OUTPUT
/* Game parameters that cannot be set in econfig (yet) */
-extern int melt_item_denom[];
#ifdef START_UNITS
int start_unit_type[];
#endif
int old, int new);
extern int line_of_sight(char **rad, int ax, int ay, int bx, int by);
extern void plane_sona(struct emp_qelem *, int, int, struct shiplist **);
-extern int tend_nxtitem(struct nstr_item *, void *);
extern s_char *prsub(struct shpstr *);
extern int check_trade(void);
extern int ontradingblock(int, int *);