/* Prototypes of communities attribute functions. */
extern void community_init(void);
extern void community_finish(void);
-extern void community_free(struct community *);
+extern void community_free(struct community **comm);
extern struct community *community_uniq_sort(struct community *);
extern struct community *community_parse(uint32_t *, unsigned short);
extern struct community *community_intern(struct community *);
extern unsigned int community_hash_make(struct community *);
extern struct community *community_str2com(const char *);
extern int community_match(const struct community *, const struct community *);
-extern int community_cmp(const struct community *, const struct community *);
+extern bool community_cmp(const struct community *c1,
+ const struct community *c2);
extern struct community *community_merge(struct community *,
struct community *);
extern struct community *community_delete(struct community *,