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diff --git a/private/crt32/iostream/iostream.cxx b/private/crt32/iostream/iostream.cxx
new file mode 100644
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+++ b/private/crt32/iostream/iostream.cxx
@@ -0,0 +1,83 @@
+/***
+* iostream.cxx - definitions for iostream classes
+*
+*	Copyright (c) 1991-1992, Microsoft Corporation.  All rights reserved.
+*
+*Purpose:
+*	Contains the member function definitions for iostream classes.  Also,
+*	precompile all header files used by iostream lib into iostream.pch.
+*
+*Revision History:
+*	09-23-91   KRS	Created.
+*	11-13-91   KRS	Rearranged.
+*	11-20-91   KRS	Added copy constructor and assignment operators.
+*	01-23-92   KRS	Merge pch.cxx into this file.
+*
+*******************************************************************************/
+
+// NOTE: the follow must include ALL header files used by any of the iostream
+//       source files which we want built into iostream.pch.  It is necessary
+//	 to have the pch associated with exactly one of the library modules
+//	 for efficient storage of Codeview info.
+
+#include <cruntime.h>
+#include <internal.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <ctype.h>
+#include <share.h>
+#include <fcntl.h>
+#include <io.h>
+// #include <sys\stat.h>	// compile problems
+#include <sys\types.h>
+#include <float.h>
+#include <iostream.h>
+// #include <ios.h>
+// #include <streamb.h>
+// #include <istream.h>
+// #include <ostream.h>
+#include <fstream.h>
+#include <strstrea.h>
+#include <stdiostr.h>
+
+#pragma hdrstop			// end of headers to precompile
+
+// CONSIDER: not used, is this required???
+	iostream::iostream()
+: istream(), ostream()
+{
+// CONSIDER: do anything else?
+}
+
+	iostream::iostream(streambuf * _sb)
+: istream(_sb), ostream(_sb)
+{
+// CONSIDER: do anything else?
+}
+
+	iostream::iostream(const iostream& _strm)
+: istream(_strm), ostream(_strm)
+{
+// CONSIDER: do anything else?
+}
+
+iostream::~iostream()
+{
+// if both input and output share the same streambuf, but not the same ios,
+// make sure only deleted once
+if ((istream::bp==ostream::bp) && (&istream::bp!=&ostream::bp))
+	istream::bp = NULL;	// let ostream::ios::~ios() do it
+// CONSIDER: do anything else?
+}
+
+/* done inline
+iostream& iostream::operator=(streambuf* _sb)
+{
+	istream::operator=(_sb);
+	ostream::operator=(_sb);
+	return *this;
+}
+*/