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@@ -0,0 +1,68 @@
+//========================================================================
+//
+//      difftime.cxx
+//
+//      ISO C date and time implementation for difftime()
+//
+//========================================================================
+//####COPYRIGHTBEGIN####
+//
+// -------------------------------------------
+// The contents of this file are subject to the Cygnus eCos Public License
+// Version 1.0 (the "License"); you may not use this file except in
+// compliance with the License.  You may obtain a copy of the License at
+// http://sourceware.cygnus.com/ecos
+// 
+// Software distributed under the License is distributed on an "AS IS"
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
+// License for the specific language governing rights and limitations under
+// the License.
+// 
+// The Original Code is eCos - Embedded Cygnus Operating System, released
+// September 30, 1998.
+// 
+// The Initial Developer of the Original Code is Cygnus.  Portions created
+// by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions.  All Rights Reserved.
+// -------------------------------------------
+//
+//####COPYRIGHTEND####
+//========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):     jlarmour
+// Contributors:  jlarmour
+// Date:          1999-02-26
+// Purpose:       Provide implementation of ISO C difftime()
+// Description:   This file provides the linkable symbol version of difftime()
+// Usage:         
+//
+//####DESCRIPTIONEND####
+//
+//========================================================================
+
+// CONFIGURATION
+
+#include <pkgconf/libc.h>          // C library configuration
+
+// INCLUDES
+
+#include <cyg/infra/cyg_type.h>    // Common type definitions and support
+
+// The following lines allow __difftime() to be included non-inline which
+// actually defines it as a function here
+#define CYGPRI_LIBC_TIME_DIFFTIME_INLINE
+#ifndef CYGIMP_LIBC_TIME_DIFFTIME_INLINE
+# define CYGIMP_LIBC_TIME_DIFFTIME_INLINE
+#endif
+
+#include <time.h>                  // Main date and time definitions
+
+// SYMBOL DEFINITIONS
+
+#undef difftime
+
+externC double
+difftime( time_t __time1, time_t __time0 )
+    CYGBLD_ATTRIB_WEAK_ALIAS(__difftime);
+
+// EOF difftime.cxx