-bool memcached_io_init_udp_header(memcached_server_write_instance_st ptr, const uint16_t thread_id);
-void increment_udp_message_id(memcached_server_write_instance_st ptr);
+bool memcached_io_init_udp_header(memcached_instance_st*, const uint16_t thread_id);
+void increment_udp_message_id(memcached_instance_st*);