struct object_list *refs;
};
-int nr_objs;
-struct object **objs;
+extern int nr_objs;
+extern struct object **objs;
struct object *lookup_object(unsigned char *sha1);
void created_object(unsigned char *sha1, struct object *obj);
+/** Returns the object, having parsed it to find out what it is. **/
+struct object *parse_object(unsigned char *sha1);
+
void add_ref(struct object *refer, struct object *target);
void mark_reachable(struct object *obj, unsigned int mask);