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+PR_Shutdown
+===========
+
+Shuts down part of a full-duplex connection on a specified socket.
+
+
+Syntax
+------
+
+.. code::
+
+   #include <prio.h>
+
+   PRStatus PR_Shutdown(
+     PRFileDesc *fd,
+     PRShutdownHow how);
+
+
+Parameters
+~~~~~~~~~~
+
+The function has the following parameters:
+
+``fd``
+   A pointer to a :ref:`PRFileDesc` object representing a connected socket.
+``how``
+   The kind of disallowed operations on the socket. Possible values
+   include the following:
+
+    - :ref:`PR_SHUTDOWN_RCV`. Further receives will be disallowed.
+    - :ref:`PR_SHUTDOWN_SEND`. Further sends will be disallowed.
+    - :ref:`PR_SHUTDOWN_BOTH`. Further sends and receives will be
+      disallowed.
+
+
+Returns
+~~~~~~~
+
+The function returns one of the following values:
+
+-  Upon successful completion of shutdown request, ``PR_SUCCESS``.
+-  If unsuccessful, ``PR_FAILURE``. Further information can be obtained
+   by calling :ref:`PR_GetError`.
+
+
+Description
+-----------
+
+The ``PRShutdownHow`` enumeration is defined as follows:
+
+.. code::
+
+   typedef enum PRShutdownHow{
+     PR_SHUTDOWN_RCV = 0,
+     PR_SHUTDOWN_SEND = 1,
+     PR_SHUTDOWN_BOTH = 2
+   } PRShutdownHow;