-void *pool_alloc (struct pool *, size_t);
-char *pool_strdup (struct pool *, const char *);
-char *pool_strndup (struct pool *, const char *, size_t);
-char *pool_strcat (struct pool *, const char *, ...);
+void *pool_alloc (struct pool *, size_t) MALLOC_LIKE;
+void *pool_nalloc (struct pool *, size_t n, size_t s) MALLOC_LIKE;
+void *pool_clone (struct pool *, const void *, size_t) MALLOC_LIKE;
+char *pool_strdup (struct pool *, const char *) MALLOC_LIKE;
+char *pool_strndup (struct pool *, const char *, size_t) MALLOC_LIKE;
+char *pool_strcat (struct pool *, const char *, ...) MALLOC_LIKE;