{
{ .length= send_length, .buffer= request.bytes },
{ .length= ptr->prefix_key_length, .buffer= ptr->prefix_key },
{ .length= key_length, .buffer= key },
{ .length= value_length, .buffer= value }
{
{ .length= send_length, .buffer= request.bytes },
{ .length= ptr->prefix_key_length, .buffer= ptr->prefix_key },
{ .length= key_length, .buffer= key },
{ .length= value_length, .buffer= value }