extern void set_coastal(struct sctstr *);
extern int sendmessage(struct natstr *, struct natstr *, char *, int);
extern void gift(int, int, s_char *, int, s_char *);
-extern int display_mark(int what);
+extern int display_mark(int, int);
extern int want_to_abandon(struct sctstr *, int, int, struct lndstr *);
extern int would_abandon(struct sctstr *, int, int, struct lndstr *);
extern int nav_map(int, int, int);