#include <cstring>
#include <memory>
#include <limits>
-#include <sys/uio.h>
#include <type_traits>
#include <boost/iterator/iterator_facade.hpp>
#include <folly/FBString.h>
#include <folly/Range.h>
#include <folly/FBVector.h>
+#include <folly/portability/SysUio.h>
// Ignore shadowing warnings within this file, so includers can use -Wshadow.
#pragma GCC diagnostic push