static memcached_return_t _vdo_udp(memcached_instance_st *instance,
libmemcached_io_vector_st vector[], const size_t count) {
-#ifndef __MINGW32__
+#if HAVE_SENDMSG && HAVE_STRUCT_MSGHDR
if (vector[0].buffer or vector[0].length) {
return memcached_set_error(
*instance->root, MEMCACHED_NOT_SUPPORTED, MEMCACHED_AT,