new file mode 100644
--- /dev/null
+++ b/packages/language/c/libc/current/src/string/strcat.cxx
@@ -0,0 +1,123 @@
+//===========================================================================
+//
+//      strcat.cxx
+//
+//      ANSI standard strcat() routine
+//
+//===========================================================================
+//####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 Cygnus Solutions.  All Rights Reserved.
+// -------------------------------------------
+//
+//####COPYRIGHTEND####
+//===========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):   jlarmour
+// Contributors:  jlarmour@cygnus.co.uk
+// Date:        1998-02-13
+// Purpose:     
+// Description: 
+// Usage:       
+//
+//####DESCRIPTIONEND####
+//
+//===========================================================================
+
+// CONFIGURATION
+
+#include <pkgconf/libc.h>   // Configuration header
+
+// Include the C library?
+#ifdef CYGPKG_LIBC     
+
+// INCLUDES
+
+#include <cyg/infra/cyg_type.h>    // Common type definitions
+#include <cyg/infra/cyg_trac.h>    // Tracing support
+#include <cyg/infra/cyg_ass.h>     // Assertion support
+#include <string.h>                // Header for this file
+#include <stddef.h>           // Compiler definitions such as size_t, NULL etc.
+#include "clibincl/stringsupp.hxx" // Useful string function support and
+                                   // prototypes
+
+// EXPORTED SYMBOLS
+
+externC char *
+strcat( char *s1, const char *s2 ) CYGPRI_LIBC_WEAK_ALIAS("_strcat");
+
+// FUNCTIONS
+
+char *
+_strcat( char *s1, const char *s2 )
+{
+    CYG_REPORT_FUNCNAMETYPE( "_strcat", "returning %08x" );
+    CYG_REPORT_FUNCARG2( "s1=%08x, s2=%08x", s1, s2 );
+
+    CYG_CHECK_DATA_PTR( s1, "s1 is not a valid pointer!" );
+    CYG_CHECK_DATA_PTR( s2, "s2 is not a valid pointer!" );
+
+#if defined(CYGIMP_LIBC_STRING_PREFER_SMALL_TO_FAST) || defined(__OPTIMIZE_SIZE__)
+    char *s = s1;
+    
+    while (*s1)
+        s1++;
+    
+    while ((*s1++ = *s2++))
+        ;
+
+    CYG_REPORT_RETVAL( s );
+
+    return s;
+#else
+    char *s = s1;
+    
+    
+    // Skip over the data in s1 as quickly as possible.
+    if (!CYG_LIBC_STR_UNALIGNED (s1))
+    {
+        CYG_WORD *aligned_s1 = (CYG_WORD *)s1;
+        while (!CYG_LIBC_STR_DETECTNULL (*aligned_s1))
+            aligned_s1++;
+        
+        s1 = (char *)aligned_s1;
+    }
+    
+    while (*s1)
+        s1++;
+    
+    // s1 now points to the its trailing null character, we can
+    // just use strcpy to do the work for us now.
+    // 
+    // ?!? We might want to just include strcpy here.
+    // Also, this will cause many more unaligned string copies because
+    // s1 is much less likely to be aligned.  I don't know if its worth
+    // tweaking strcpy to handle this better.
+    strcpy (s1, s2);
+    
+    CYG_REPORT_RETVAL( s );
+
+    return s;
+#endif // not defined(CYGIMP_LIBC_STRING_PREFER_SMALL_TO_FAST) ||
+       //     defined(__OPTIMIZE_SIZE__)
+} // _strcat()
+
+#endif // ifdef CYGPKG_LIBC     
+
+// EOF strcat.cxx