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+PR_Rename
+=========
+
+Renames a file.
+
+
+Syntax
+------
+
+.. code::
+
+   #include <prio.h>
+
+   PRStatus PR_Rename(
+     const char *from,
+     const char *to);
+
+
+Parameters
+~~~~~~~~~~
+
+The function has the following parameters:
+
+``from``
+   The old name of the file to be renamed.
+``to``
+   The new name of the file.
+
+
+Returns
+~~~~~~~
+
+One of the following values:
+
+-  If file is successfully renamed, ``PR_SUCCESS``.
+-  If file is not successfully renamed, ``PR_FAILURE``.
+
+
+Description
+-----------
+
+:ref:`PR_Rename` renames a file from its old name (``from``) to a new name
+(``to``). If a file with the new name already exists, :ref:`PR_Rename`
+fails with the error code ``PR_FILE_EXISTS_ERROR``. In this case,
+:ref:`PR_Rename` does not overwrite the existing filename.