extern VAULT_IDX max_v_idx;
-extern bool build_type7(void);
-extern bool build_type8(void);
+extern bool build_type7(floor_type *floor_ptr);
+extern bool build_type8(floor_type *floor_ptr);
extern bool build_type10(void);
-extern bool build_type17(void);
+extern bool build_type17(floor_type *floor_ptr);