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diff --git a/include/c++/stl/errno.h b/include/c++/stl/errno.h
new file mode 100644
index 0000000..27037ea
--- /dev/null
+++ b/include/c++/stl/errno.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 1999
+ * Boris Fomitchev
+ *
+ * This material is provided "as is", with absolutely no warranty expressed
+ * or implied. Any use is at your own risk.
+ *
+ * Permission to use or copy this software for any purpose is hereby granted
+ * without fee, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ *
+ */
+
+#if !defined (_STLP_OUTERMOST_HEADER_ID)
+#  define _STLP_OUTERMOST_HEADER_ID 0x205
+#  include <stl/_prolog.h>
+#elif (_STLP_OUTERMOST_HEADER_ID == 0x205) && !defined (_STLP_DONT_POP_HEADER_ID)
+#  define _STLP_DONT_POP_HEADER_ID
+#endif
+
+#ifdef _STLP_WCE
+// only show message when directly including this file in a non-library build
+#  if !defined(__BUILDING_STLPORT) && (_STLP_OUTERMOST_HEADER_ID == 0x205)
+#    pragma message("eMbedded Visual C++ 3 and .NET don't have a errno.h header; STLport won't include native errno.h here")
+#  endif
+#else
+#  ifndef errno
+/* We define the following macro first to guaranty the header reentrancy: */
+#    define _STLP_NATIVE_ERRNO_H_INCLUDED
+#    include _STLP_NATIVE_C_HEADER(errno.h)
+#  endif /* errno */
+
+#  if !defined (_STLP_NATIVE_ERRNO_H_INCLUDED)
+/* If errno has been defined before inclusion of native errno.h including it from STLport errno.h
+ * becomes impossible because if:
+ * #define errno foo
+ * then
+ * #include _STLP_NATIVE_C_HEADER(errno.h)
+ * becomes:
+ * #include _STLP_NATIVE_C_HEADER(foo.h)
+ *
+ * To fix this problem you have to find where this definition comes from and include errno.h before it.
+ */
+#    error errno has been defined before inclusion of errno.h header.
+#  endif
+
+#  ifdef __cplusplus
+#    ifndef errno /* errno still not defined */
+_STLP_BEGIN_NAMESPACE
+#      if !defined (__BORLANDC__)
+using ::errno;
+#      else
+using _STLP_VENDOR_CSTD::errno;
+#      endif
+_STLP_END_NAMESPACE
+#   endif /* errno */
+#  endif /* __cplusplus */
+
+#endif
+
+#if (_STLP_OUTERMOST_HEADER_ID == 0x205)
+#  if ! defined (_STLP_DONT_POP_HEADER_ID)
+#    include <stl/_epilog.h>
+#    undef  _STLP_OUTERMOST_HEADER_ID
+#  endif
+#  undef  _STLP_DONT_POP_HEADER_ID
+#endif
+
+/* Local Variables:
+ * mode:C++
+ * End:
+ */