Maximum allowed size of the hostname.
+=item MEMCACHED_VERSION_STRING
+
+String value of libmemcached version such as "1.23.4"
+
+=item MEMCACHED_MAJOR_VERSION
+
+Major version value. Such as 1.23.4, would be 1
+
+=item MEMCACHED_MINOR_VERSION
+
+Major version value. Such as 1.23.4, would be 23
+
+=item MEMCACHED_MICRO_VERSION
+
+Major version value. Such as 1.23.4, would be 4
+
+
=back