--- Libc/Libc-583/internat/_NXToLower.c
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * Copyright 1990, NeXT, Inc.
- */
-
-#include "NXCType.h"
-#define FIXSIGNEDCHAR(i) if ((i & 0xFFFFFF80) == 0xFFFFFF80) i &= 0x000000FF
-
-int
-_NXToLower(c)
-	unsigned int c;
-{
-	FIXSIGNEDCHAR(c);
-	if ((c < 256) && NXIsUpper(c))
-		return ((unsigned int )(_NX_ULTable_)[c]);
-	return c;
-}