new file mode 100644
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+++ b/packages/language/c/libc/string/current/src/memcmp.cxx
@@ -0,0 +1,176 @@
+//===========================================================================
+//
+//      memcmp.cxx
+//
+//      ANSI standard memcmp() routine
+//
+//===========================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// -------------------------------------------                              
+// The contents of this file are subject to the Red Hat eCos Public License 
+// Version 1.1 (the "License"); you may not use this file except in         
+// compliance with the License.  You may obtain a copy of the License at    
+// http://www.redhat.com/                                                   
+//                                                                          
+// 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 Configurable Operating System,      
+// released September 30, 1998.                                             
+//                                                                          
+// The Initial Developer of the Original Code is Red Hat.                   
+// Portions created by Red Hat are                                          
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
+// All Rights Reserved.                                                     
+// -------------------------------------------                              
+//                                                                          
+//####COPYRIGHTEND####
+//===========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):     jlarmour
+// Contributors:  
+// Date:          2000-04-14
+// Purpose:     
+// Description: 
+// Usage:       
+//
+//####DESCRIPTIONEND####
+//
+//===========================================================================
+
+// CONFIGURATION
+
+#include <pkgconf/libc_string.h>   // Configuration header
+
+// 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 <cyg/libc/string/stringsupp.hxx> // Useful string function support and
+                                          // prototypes
+
+
+// EXPORTED SYMBOLS
+
+externC int
+memcmp( const void *s1, const void *s2, size_t n ) \
+    CYGBLD_ATTRIB_WEAK_ALIAS(__memcmp);
+
+// FUNCTIONS
+
+int
+__memcmp( const void *s1, const void *s2, size_t n )
+{
+    int retval;
+
+    CYG_REPORT_FUNCNAMETYPE( "__memcmp", "returning %d" );
+    CYG_REPORT_FUNCARG3( "s1=%08x, s2=%08x, n=%d", s1, s2, n );
+
+    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__)
+    const unsigned char *m1 = (const unsigned char *) s1;
+    const unsigned char *m2 = (const unsigned char *) s2;
+    
+    while (n--)
+    {
+        if (*m1 != *m2)
+        {
+            retval = *m1 - *m2;
+            CYG_REPORT_RETVAL( retval );
+            return retval;
+        }
+        m1++;
+        m2++;
+    }
+    CYG_REPORT_RETVAL( 0 );
+    return 0;
+#else  
+    const unsigned char *m1 = (const unsigned char *) s1;
+    const unsigned char *m2 = (const unsigned char *) s2;
+    const CYG_WORD *aligned_m1;
+    const CYG_WORD *aligned_m2;
+    
+    // If the size is too small, or either pointer is unaligned,
+    // then we punt to the byte compare loop.  Hopefully this will
+    // not turn up in inner loops.
+    if (CYG_LIBC_STR_OPT_TOO_SMALL(n) || CYG_LIBC_STR_UNALIGNED2(m1,m2))
+    {
+        while (n--)
+        {
+            if (*m1 != *m2)
+            {
+                retval = *m1 - *m2;
+                CYG_REPORT_RETVAL( retval );
+                return retval;
+            }
+            m1++;
+            m2++;
+        }
+        CYG_REPORT_RETVAL( 0 );
+        return 0;
+    }
+    
+    // Otherwise, load and compare the blocks of memory one 
+    // word at a time.
+    aligned_m1 = (const CYG_WORD *) m1;
+    aligned_m2 = (const CYG_WORD *) m2;
+    while (n > CYG_LIBC_STR_OPT_LITTLEBLOCKSIZE)
+    {
+        if (*aligned_m1 != *aligned_m2) 
+        {
+            // This block of characters has a mismatch, somewhere.
+            // xoring them together and then testing for null would
+            // be fastest, but this is clearer code.
+            m1 = (const unsigned char *)aligned_m1;
+            m2 = (const unsigned char *)aligned_m2;
+            while (n--)
+            {
+                if (*m1 != *m2)
+                {
+                    retval = *m1 - *m2;
+                    CYG_REPORT_RETVAL( retval );
+                    return retval;
+                }
+                m1++;
+                m2++;
+            }
+            // NOT REACHED
+        }
+        aligned_m1++;
+        aligned_m2++;
+        n -= CYG_LIBC_STR_OPT_LITTLEBLOCKSIZE;
+    }
+    
+    // checking the last few characters
+    
+    m1 = (const unsigned char *)aligned_m1;
+    m2 = (const unsigned char *)aligned_m2;
+    
+    while (n--)
+    {
+        if (*m1 != *m2)
+        {
+            retval = *m1 - *m2;
+            CYG_REPORT_RETVAL( retval );
+            return retval;
+        }
+        m1++;
+        m2++;
+    }
+    
+    CYG_REPORT_RETVAL( 0 );
+    return 0;
+#endif // not defined(CYGIMP_LIBC_STRING_PREFER_SMALL_TO_FAST) ||
+       //     defined(__OPTIMIZE_SIZE__)
+} // __memcmp()
+
+// EOF memcmp.cxx