extern int check_retreat_and_do_shipdamage(struct shpstr *, int);
extern int check_retreat_and_do_landdamage(struct lndstr *, int);
/* sarg.c */
-extern int sarg_type(s_char *);
+extern ns_seltype sarg_type(s_char *);
extern int sarg_xy(s_char *, coord *, coord *);
extern int sarg_area(s_char *, register struct range *);
extern int sarg_range(s_char *, coord *, coord *, int *);