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diff --git a/StdLib/LibC/Wchar/Comparison.c b/StdLib/LibC/Wchar/Comparison.c
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+++ b/StdLib/LibC/Wchar/Comparison.c
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+/** @file
+    Comparison Functions for <wchar.h>.
+
+    Unless explicitly stated otherwise, the functions defined in this file order
+    two wide characters the same way as two integers of the underlying integer
+    type designated by wchar_t.
+
+    Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
+    This program and the accompanying materials are licensed and made available under
+    the terms and conditions of the BSD License that accompanies this distribution.
+    The full text of the license may be found at
+    http://opensource.org/licenses/bsd-license.php.
+
+    THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+    WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+**/
+#include  <Uefi.h>
+#include  <Library/BaseLib.h>
+#include  <Library/BaseMemoryLib.h>
+
+#include  <LibConfig.h>
+
+#include  <wchar.h>
+
+/** The wcscmp function compares the wide string pointed to by s1 to the wide
+    string pointed to by s2.
+
+    @return   The wcscmp function returns an integer greater than, equal to, or
+              less than zero, accordingly as the wide string pointed to by s1
+              is greater than, equal to, or less than the wide string
+              pointed to by s2.
+**/
+int wcscmp(const wchar_t *s1, const wchar_t *s2)
+{
+  return (int)StrCmp( (CONST CHAR16 *)s1, (CONST CHAR16 *)s2);
+}
+
+/** The wcscoll function compares the wide string pointed to by s1 to the wide
+    string pointed to by s2, both interpreted as appropriate to the LC_COLLATE
+    category of the current locale.
+
+    @return   The wcscoll function returns an integer greater than, equal to,
+              or less than zero, accordingly as the wide string pointed to by
+              s1 is greater than, equal to, or less than the wide string
+              pointed to by s2 when both are interpreted as appropriate to
+              the current locale.
+**/
+//int wcscoll(const wchar_t *s1, const wchar_t *s2)
+//{
+//  return -1;  // STUBB
+//}
+
+/** The wcsncmp function compares not more than n wide characters (those that
+    follow a null wide character are not compared) from the array pointed to by
+    s1 to the array pointed to by s2.
+
+    @return   The wcsncmp function returns an integer greater than, equal to,
+              or less than zero, accordingly as the possibly null-terminated
+              array pointed to by s1 is greater than, equal to, or less than
+              the possibly null-terminated array pointed to by s2.
+**/
+int wcsncmp(const wchar_t *s1, const wchar_t *s2, size_t n)
+{
+  return (int)StrnCmp( (CONST CHAR16 *)s1, (CONST CHAR16 *)s2, (UINTN)n);
+}
+
+/** The wcsxfrm function transforms the wide string pointed to by s2 and places
+    the resulting wide string into the array pointed to by s1. The
+    transformation is such that if the wcscmp function is applied to two
+    transformed wide strings, it returns a value greater than, equal to, or
+    less than zero, corresponding to the result of the wcscoll function applied
+    to the same two original wide strings. No more than n wide characters are
+    placed into the resulting array pointed to by s1, including the terminating
+    null wide character. If n is zero, s1 is permitted to be a null pointer.
+
+    @return   The wcsxfrm function returns the length of the transformed wide
+              string (not including the terminating null wide character). If
+              the value returned is n or greater, the contents of the array
+              pointed to by s1 are indeterminate.
+**/
+//size_t wcsxfrm(wchar_t * __restrict s1, const wchar_t * __restrict s2, size_t n)
+//{
+//  return n;  // STUBB
+//}
+
+/** The wmemcmp function compares the first n wide characters of the object
+    pointed to by s1 to the first n wide characters of the object pointed to
+    by s2.
+
+    @return   The wmemcmp function returns an integer greater than, equal to,
+              or less than zero, accordingly as the object pointed to by s1 is
+              greater than, equal to, or less than the object pointed to by s2.
+**/
+int wmemcmp(const wchar_t *s1, const wchar_t *s2, size_t n)
+{
+  return (int)CompareMem( s1, s2, (UINTN)(n * sizeof(wchar_t)));
+}