-/** Change every character in the string to upper case (ASCII), return a pointer to the string */
-char *avahi_strup(char *s);
-
-/** Change every character in the string to lower case (ASCII), return a pointer to the string */
-char *avahi_strdown(char *s);
+/** Return some kind of hash value for the domain, useful for using domains as hash table keys. */
+unsigned avahi_domain_hash(const char *name);