+ libmemcached_io_vector_st vector[]=
+ {
+ { memcached_literal_param("version\r\n") },
+ };
+
+ (void)memcached_vdo(instance, vector, 1, false);
+ }
+}
+
+static inline void version_binary_instance(memcached_instance_st* instance)
+{
+ if (instance->major_version != UINT8_MAX)
+ {
+ protocol_binary_request_version request= {};
+
+ request.message.header.request.opcode= PROTOCOL_BINARY_CMD_VERSION;
+ request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES;
+
+ libmemcached_io_vector_st vector[]=
+ {
+ { request.bytes, sizeof(request.bytes) }
+ };
+
+ initialize_binary_request(instance, request.message.header);
+
+ (void)memcached_vdo(instance, vector, 1, false);