1 files changed, 66 insertions, 0 deletions
diff --git a/StdLib/Include/sys/_ctype.h b/StdLib/Include/sys/_ctype.h
new file mode 100644
index 0000000000..e5872f48f8
--- /dev/null
+++ b/StdLib/Include/sys/_ctype.h
@@ -0,0 +1,66 @@
+/** @file
+  Implementation specific support for Single-byte character classification and
+  case conversion macros and function declarations.
+
+  This file is intended to only be included by <ctype.h>.
+
+  Copyright (c) 2010 - 2011, 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.
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+#ifndef _CTYPE_H
+#error  This file, <sys/_ctype.h>, may only be included by <ctype.h>.
+#endif
+
+__BEGIN_DECLS
+extern const UINT16 *_cClass;  // Locale independent pointer to Character Classification Table
+extern const UINT8  *_uConvT;  // Locale independent pointer to Lowercase to Uppercase Conversion Table
+extern const UINT8  *_lConvT;  // Locale independent pointer to Uppercase to Lowercase Conversion Table
+
+extern  int  __isCClass( int _c, unsigned int mask);   // Internal character classification function
+__END_DECLS
+
+
+// Character Class bit masks
+#define _CC   0x0001U     // Control Characters
+#define _CW   0x0002U     // White Space
+#define _CP   0x0004U     // Punctuation
+#define _CD   0x0008U     // Digits [0-9]
+#define _CU   0x0010U     // Uppercase Letter [A-Z]
+#define _CL   0x0020U     // Lowercase Letter [a-z]
+#define _CX   0x0040U     // Hexadecimal Digits [A-Fa-f]
+#define _C0   0x0080U
+#define _CS   0x0100U     // Space Characters, ' ' in C locale
+#define _CG   0x0200U     // Graphic Characters
+#define _CB   0x0400U     // Blank Characters, ' ' and '\t' in C locale
+#define _C4   0x0800U
+#define _XA   0x1000U     // eXtra Alpha characters not in _CU or _CL
+#define _C6   0x2000U
+#define _C7   0x4000U
+#define _C8   0x8000U
+
+#ifndef NO_CTYPE_MACROS
+  #define __isCClass( _c, mask)   (((_c) < 0 || (_c) > 127) ? 0 : (_cClass[(_c)] & (mask)))
+  #define __toLower( _c)          ((__isCClass( ((int)_c), (_CU))) ? _lConvT[(_c)] : (_c))
+  #define __toUpper( _c)          ((__isCClass( ((int)_c), (_CL))) ? _uConvT[(_c)] : (_c))
+#endif  /* NO_CTYPE_MACROS */
+
+/* Macros used by implementation functions */
+#define __isHexLetter(_c)         (__isCClass( (int)c, (_CX)))
+
+#ifdef _CTYPE_PRIVATE
+  #define _CTYPE_NUM_CHARS  (256)
+
+  #define _CTYPE_ID   "BSDCTYPE"
+  #define _CTYPE_REV    2
+
+  extern const UINT16  _C_CharClassTable[];
+  extern const UINT8   _C_ToUpperTable[];
+  extern const UINT8   _C_ToLowerTable[];
+#endif