+ instance= memcached_server_instance_fetch(ptr, server_key);
+
+ struct __write_vector_st vector[]=
+ {
+ { .length= get_command_length, .buffer= get_command },
+ { .length= ptr->prefix_key_length, .buffer= ptr->prefix_key },
+ { .length= key_length[x], .buffer= keys[x] },
+ { .length= 1, .buffer= " " }
+ };
+
+
+ if (memcached_server_response_count(instance) == 0)