Index: test/std/input.output/stream.buffers/streambuf/streambuf.virtuals/streambuf.virt.get/xsgetn.pass.cpp
===================================================================
--- test/std/input.output/stream.buffers/streambuf/streambuf.virtuals/streambuf.virt.get/xsgetn.pass.cpp
+++ test/std/input.output/stream.buffers/streambuf/streambuf.virtuals/streambuf.virt.get/xsgetn.pass.cpp
@@ -16,6 +16,7 @@
 
 #include <streambuf>
 #include <cassert>
+#include <string.h>
 
 struct test
     : public std::basic_streambuf<char>
Index: test/std/input.output/stream.buffers/streambuf/streambuf.virtuals/streambuf.virt.put/xsputn.pass.cpp
===================================================================
--- test/std/input.output/stream.buffers/streambuf/streambuf.virtuals/streambuf.virt.put/xsputn.pass.cpp
+++ test/std/input.output/stream.buffers/streambuf/streambuf.virtuals/streambuf.virt.put/xsputn.pass.cpp
@@ -16,6 +16,7 @@
 
 #include <streambuf>
 #include <cassert>
+#include <string.h>
 
 struct test
     : public std::basic_streambuf<char>