GTimeVal *avahi_elapse_time(GTimeVal *tv, guint msec, guint jitter);
-gint avahi_age(const GTimeVal *a);
+glong avahi_age(const GTimeVal *a);
gboolean avahi_domain_equal(const gchar *a, const gchar *b);
gint avahi_binary_domain_cmp(const gchar *a, const gchar *b);