-guint avahi_domain_hash(const gchar *p);
-gboolean avahi_domain_cmp(const gchar *a, const gchar *b);
-gboolean avahi_domain_equal(const gchar *a, const gchar *b);
+/** Change every character in the string to lower case (ASCII), return a pointer to the string */
+char *avahi_strdown(char *s);