develop/open_watcom: Post-SVN tidy

- Move source code from `trunk` into program root directory.
- Update build files.
- Note: Line endings standardised from `CRLF` > `LF`, so best to view diffs with whitespace changes hidden.

programs/develop/open watcom/clib/char/tolower.c

@@ -0,0 +1,45 @@
+/****************************************************************************
+*
+*                            Open Watcom Project
+*
+*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
+*
+*  ========================================================================
+*
+*    This file contains Original Code and/or Modifications of Original
+*    Code as defined in and that are subject to the Sybase Open Watcom
+*    Public License version 1.0 (the 'License'). You may not use this file
+*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
+*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
+*    provided with the Original Code and Modifications, and is also
+*    available at www.sybase.com/developer/opensource.
+*
+*    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 SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
+*    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.
+*
+*  ========================================================================
+*
+* Description:  Implementation of tolower().
+*
+****************************************************************************/
+
+
+#include "variety.h"
+#include "widechar.h"
+#include <ctype.h>
+#ifdef __WIDECHAR__
+ #include <wchar.h>
+#endif
+
+_WCRTLINK INTCHAR_TYPE __F_NAME(tolower,towlower)( INTCHAR_TYPE c )
+{
+    if( c >= 'A' && c <= 'Z' ) {
+        c = c - 'A' + 'a';
+    }
+    return( c );
+}