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diff --git a/c/src/exec/posix/headers/key.h b/c/src/exec/posix/headers/key.h
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+++ b/c/src/exec/posix/headers/key.h
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+/*  rtems/posix/key.h
+ *
+ *  This include file contains all the private support information for
+ *  POSIX key.
+ *
+ *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
+ *  On-Line Applications Research Corporation (OAR).
+ *  All rights assigned to U.S. Government, 1994.
+ *
+ *  This material may be reproduced by or for the U.S. Government pursuant
+ *  to the copyright license under the clause at DFARS 252.227-7013.  This
+ *  notice must appear in all copies of this file and its derivatives.
+ *
+ *  $Id$
+ */
+ 
+#ifndef __RTEMS_POSIX_KEY_h
+#define __RTEMS_POSIX_KEY_h
+ 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ *  Data Structure used to manage a POSIX key
+ *
+ *  NOTE:  The Values is a table indexed by the index portion of the
+ *         ID of the currently executing thread.
+ */
+ 
+typedef struct {
+   Objects_Control     Object;
+   boolean             is_active;
+   void              (*destructor)( void * );
+   void              **Values[ OBJECTS_CLASSES_LAST_THREAD_CLASS + 1 ];
+}  POSIX_Keys_Control;
+
+/*
+ *  The following defines the information control block used to manage
+ *  this class of objects.
+ */
+ 
+EXTERN Objects_Information  _POSIX_Keys_Information;
+ 
+/*
+ *  _POSIX_Keys_Manager_initialization
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine performs the initialization necessary for this manager.
+ */
+ 
+void _POSIX_Key_Manager_initialization(
+  unsigned32 maximum_keys
+);
+ 
+/*
+ *  _POSIX_Keys_Run_destructors
+ *
+ *  DESCRIPTION:
+ *
+ *  This function executes all the destructors associated with the thread's
+ *  keys.  This function will execute until all values have been set to NULL.
+ *
+ *  NOTE:  This is the routine executed when a thread exits to
+ *         run through all the keys and do the destructor action.
+ */
+ 
+void _POSIX_Keys_Run_destructors(
+  Thread_Control *thread
+);
+
+/*
+ *  _POSIX_Keys_Allocate
+ *
+ *  DESCRIPTION:
+ *
+ *  This function allocates a keys control block from
+ *  the inactive chain of free keys control blocks.
+ */
+ 
+STATIC INLINE POSIX_Keys_Control *_POSIX_Keys_Allocate( void );
+ 
+/*
+ *  _POSIX_Keys_Free
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine frees a keys control block to the
+ *  inactive chain of free keys control blocks.
+ */
+ 
+STATIC INLINE void _POSIX_Keys_Free (
+  POSIX_Keys_Control *the_key
+);
+ 
+/*
+ *  _POSIX_Keys_Get
+ *
+ *  DESCRIPTION:
+ *
+ *  This function maps key IDs to key control blocks.
+ *  If ID corresponds to a local keys, then it returns
+ *  the_key control pointer which maps to ID and location
+ *  is set to OBJECTS_LOCAL.  if the keys ID is global and
+ *  resides on a remote node, then location is set to OBJECTS_REMOTE,
+ *  and the_key is undefined.  Otherwise, location is set
+ *  to OBJECTS_ERROR and the_key is undefined.
+ */
+ 
+STATIC INLINE POSIX_Keys_Control *_POSIX_Keys_Get (
+  Objects_Id         id,
+  Objects_Locations *location
+);
+ 
+/*
+ *  _POSIX_Keys_Is_null
+ *
+ *  DESCRIPTION:
+ *
+ *  This function returns TRUE if the_key is NULL and FALSE otherwise.
+ */
+ 
+STATIC INLINE boolean _POSIX_Keys_Is_null (
+  POSIX_Keys_Control *the_key
+);
+
+#include <rtems/posix/key.inl>
+
+#ifdef __cplusplus
+}
+#endif
+ 
+#endif
+/*  end of include file */
+