# define STL_FSTREAM <fstream.h>
# define STL_STDEXCEPT <stdexcept>
# define STL_STRING <string>
-# define STL_STRSTREAM <strstream>
+# define STL_STRSTREAM <strstream.h>
#endif // Native SGI compilers
# define SG_USING_NAMESPACE(X)
#endif
+/** \def SG_USING_STD(x)
+ * Expands to using std::x if SG_HAVE_STD is defined
+ */
# ifdef SG_HAVE_STD
# define SG_USING_STD(X) using std::X
# define STD std