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diff --git a/c/src/exec/sapi/inline/rtems/extension.inl b/c/src/exec/sapi/inline/rtems/extension.inl
new file mode 100644
index 0000000000..6a00bc6f58
--- /dev/null
+++ b/c/src/exec/sapi/inline/rtems/extension.inl
@@ -0,0 +1,91 @@
+/*  extension.inl
+ *
+ *  This file contains the static inline implementation of the inlined routines
+ *  from the Extension Manager.
+ *
+ *  COPYRIGHT (c) 1989-1997.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may in
+ *  the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#ifndef __EXTENSION_MANAGER_inl
+#define __EXTENSION_MANAGER_inl
+
+/*PAGE
+ *
+ *  _Extension_Allocate
+ *
+ *  DESCRIPTION:
+ *
+ *  This function allocates a extension control block from
+ *  the inactive chain of free extension control blocks.
+ */
+
+RTEMS_INLINE_ROUTINE Extension_Control *_Extension_Allocate( void )
+{
+  return (Extension_Control *) _Objects_Allocate( &_Extension_Information );
+}
+
+/*PAGE
+ *
+ *  _Extension_Free
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine frees a extension control block to the
+ *  inactive chain of free extension control blocks.
+ */
+
+RTEMS_INLINE_ROUTINE void _Extension_Free (
+  Extension_Control *the_extension
+)
+{
+  _Objects_Free( &_Extension_Information, &the_extension->Object );
+}
+
+/*PAGE
+ *
+ *  _Extension_Get
+ *
+ *  DESCRIPTION:
+ *
+ *  This function maps extension IDs to extension control blocks.
+ *  If ID corresponds to a local extension, then it returns
+ *  the extension control pointer which maps to ID and location
+ *  is set to OBJECTS_LOCAL.  Otherwise, location is set
+ *  to OBJECTS_ERROR and the returned value is undefined.
+ */
+
+RTEMS_INLINE_ROUTINE Extension_Control *_Extension_Get (
+  Objects_Id         id,
+  Objects_Locations *location
+)
+{
+  return (Extension_Control *)
+    _Objects_Get( &_Extension_Information, id, location );
+}
+
+/*PAGE
+ *
+ *  _Extension_Is_null
+ *
+ *  DESCRIPTION:
+ *
+ *  This function returns TRUE if the_extension is NULL and FALSE otherwise.
+ */
+
+RTEMS_INLINE_ROUTINE boolean _Extension_Is_null (
+  Extension_Control *the_extension
+)
+{
+  return ( the_extension == NULL );
+}
+
+#endif
+/* end of include file */