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+PR_GetOSError
+=============
+
+Returns the current thread's last set OS-specific error code.
+
+
+Syntax
+------
+
+.. code::
+
+ #include <prerror.h>
+
+ PRInt32 PR_GetOSError(void)
+
+
+Returns
+~~~~~~~
+
+The value returned is a 32-bit signed number. Its interpretation is left
+to the caller.
+
+
+Description
+-----------
+
+Used for platform-specific code that requires the underlying OS error.
+For portability, clients should not create dependencies on the values of
+OS-specific error codes. However, this information is preserved, along
+with a platform neutral error code, on a per thread basis. It is most
+useful during development.