-int str_end (const char *);
-void closeon (struct ship *, struct ship *, char[], int, int, int);
-int score (char[], struct ship *, struct ship *, int);
-void move_ship (const char *, struct ship *, unsigned char *, short *, short *, char *);
-void try (char[], char [], int, int, int, int, int, struct ship *,
- struct ship *, int *, int);
-void rmend (char *);
+void closeon (struct ship *, struct ship *, char *, int, int, int);