256 lines
8.1 KiB
C
256 lines
8.1 KiB
C
/*
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******************************************************************************
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*
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* Copyright (C) 1999-2002, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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******************************************************************************
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* file name: umachine.h
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 1999sep13
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* created by: Markus W. Scherer
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*
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* This file defines basic types and constants for utf.h to be
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* platform-independent. umachine.h and utf.h are included into
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* utypes.h to provide all the general definitions for ICU.
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* All of these definitions used to be in utypes.h before
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* the UTF-handling macros made this unmaintainable.
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*/
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#ifndef __UMACHINE_H__
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#define __UMACHINE_H__
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/**
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* \file
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* \brief Basic types and constants for UTF
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*
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* <h2> Basic types and constants for UTF </h2>
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* This file defines basic types and constants for utf.h to be
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* platform-independent. umachine.h and utf.h are included into
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* utypes.h to provide all the general definitions for ICU.
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* All of these definitions used to be in utypes.h before
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* the UTF-handling macros made this unmaintainable.
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*
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*/
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/*==========================================================================*/
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/* Include platform-dependent definitions */
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/* which are contained in the platform-specific file platform.h */
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/*==========================================================================*/
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#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
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# include "unicode/pwin32.h"
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#elif defined(__OS400__)
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# include "unicode/pos400.h"
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#elif defined(__MWERKS__)
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# include "unicode/pmacos.h"
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#else
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# include "unicode/platform.h"
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#endif
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/*==========================================================================*/
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/* XP_CPLUSPLUS is a cross-platform symbol which should be defined when */
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/* using C++. It should not be defined when compiling under C. */
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/*==========================================================================*/
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#ifdef __cplusplus
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# ifndef XP_CPLUSPLUS
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# define XP_CPLUSPLUS
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# endif
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#else
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# undef XP_CPLUSPLUS
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#endif
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/*==========================================================================*/
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/* For C wrappers, we use the symbol U_CAPI. */
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/* This works properly if the includer is C or C++. */
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/* Functions are declared U_CAPI return-type U_EXPORT2 function-name()... */
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/*==========================================================================*/
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/**
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* \def U_CFUNC
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* This is used in a declaration of a library private ICU C function.
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* @stable ICU 2.4
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*/
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/**
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* \def U_CDECL_BEGIN
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* This is used to begin a declaration of a library private ICU C API.
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* @stable ICU 2.4
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*/
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/**
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* \def U_CDECL_END
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* This is used to end a declaration of a library private ICU C API
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* @stable ICU 2.4
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*/
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#ifdef XP_CPLUSPLUS
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# define U_CFUNC extern "C"
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# define U_CDECL_BEGIN extern "C" {
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# define U_CDECL_END }
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#else
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# define U_CFUNC extern
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# define U_CDECL_BEGIN
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# define U_CDECL_END
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#endif
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/**
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* \def U_NAMESPACE_BEGIN
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* This is used to begin a declaration of a public ICU C++ API.
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* If the compiler doesn't support namespaces, this does nothing.
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* @stable ICU 2.4
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*/
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/**
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* \def U_NAMESPACE_END
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* This is used to end a declaration of a public ICU C++ API
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* If the compiler doesn't support namespaces, this does nothing.
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* @stable ICU 2.4
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*/
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/**
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* \def U_NAMESPACE_USE
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* This is used to specify that the rest of the code uses the
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* public ICU C++ API namespace.
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* If the compiler doesn't support namespaces, this does nothing.
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* @stable ICU 2.4
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*/
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/**
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* \def U_NAMESPACE_QUALIFIER
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* This is used to qualify that a function or class is part of
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* the public ICU C++ API namespace.
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* If the compiler doesn't support namespaces, this does nothing.
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* @stable ICU 2.4
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*/
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/* Define namespace symbols if the compiler supports it. */
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#if U_HAVE_NAMESPACE
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# define U_NAMESPACE_BEGIN namespace U_ICU_NAMESPACE {
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# define U_NAMESPACE_END }
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# define U_NAMESPACE_USE using namespace U_ICU_NAMESPACE;
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# define U_NAMESPACE_QUALIFIER U_ICU_NAMESPACE::
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#else
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# define U_NAMESPACE_BEGIN
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# define U_NAMESPACE_END
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# define U_NAMESPACE_USE
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# define U_NAMESPACE_QUALIFIER
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#endif
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/** This is used to declare a function as a public ICU C API @stable ICU 2.0*/
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#define U_CAPI U_CFUNC U_EXPORT
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/*==========================================================================*/
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/* limits for int32_t etc., like in POSIX inttypes.h */
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/*==========================================================================*/
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#ifndef INT8_MIN
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/** The smallest value an 8 bit signed integer can hold @stable ICU 2.0 */
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# define INT8_MIN ((int8_t)(-128))
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#endif
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#ifndef INT16_MIN
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/** The smallest value a 16 bit signed integer can hold @stable ICU 2.0 */
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# define INT16_MIN ((int16_t)(-32767-1))
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#endif
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#ifndef INT32_MIN
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/** The smallest value a 32 bit signed integer can hold @stable ICU 2.0 */
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# define INT32_MIN ((int32_t)(-2147483647-1))
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#endif
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#ifndef INT8_MAX
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/** The largest value an 8 bit signed integer can hold @stable ICU 2.0 */
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# define INT8_MAX ((int8_t)(127))
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#endif
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#ifndef INT16_MAX
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/** The largest value a 16 bit signed integer can hold @stable ICU 2.0 */
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# define INT16_MAX ((int16_t)(32767))
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#endif
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#ifndef INT32_MAX
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/** The largest value a 32 bit signed integer can hold @stable ICU 2.0 */
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# define INT32_MAX ((int32_t)(2147483647))
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#endif
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#ifndef UINT8_MAX
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/** The largest value an 8 bit unsigned integer can hold @stable ICU 2.0 */
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# define UINT8_MAX ((uint8_t)(255U))
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#endif
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#ifndef UINT16_MAX
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/** The largest value a 16 bit unsigned integer can hold @stable ICU 2.0 */
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# define UINT16_MAX ((uint16_t)(65535U))
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#endif
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#ifndef UINT32_MAX
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/** The largest value a 32 bit unsigned integer can hold @stable ICU 2.0 */
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# define UINT32_MAX ((uint32_t)(4294967295U))
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#endif
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#if defined(U_INT64_T_UNAVAILABLE)
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# error int64_t is required for decimal format and rule-based number format.
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#else
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# ifndef INT64_C
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/* note: may be wrong for 64 bit platforms - ensure your compiler provides INT64_C */
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# define INT64_C(c) c ## LL
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# endif
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# ifndef UINT64_C
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/* note: may be wrong for 64 bit platforms - ensure your compiler provides INT64_C */
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# define UINT64_C(c) c ## ULL
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# endif
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# ifndef U_INT64_MIN
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/** The smallest value a 64 bit signed integer can hold @stable ICU 2.0 */
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# define U_INT64_MIN ((int64_t)(INT64_C(-9223372036854775807)-1))
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# endif
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# ifndef U_INT64_MAX
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/** The largest value a 64 bit signed integer can hold @stable ICU 2.0 */
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# define U_INT64_MAX ((int64_t)(INT64_C(9223372036854775807)))
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# endif
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# ifndef U_UINT64_MAX
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/** The largest value a 64 bit unsigned integer can hold @stable ICU 2.0 */
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# define U_UINT64_MAX ((uint64_t)(UINT64_C(18446744073709551615)))
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# endif
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#endif
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/*==========================================================================*/
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/* Boolean data type */
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/*==========================================================================*/
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/** The ICU boolean type @stable ICU 2.0 */
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typedef int8_t UBool;
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#ifndef TRUE
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/** The TRUE value of a UBool @stable ICU 2.0 */
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# define TRUE 1
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#endif
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#ifndef FALSE
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/** The FALSE value of a UBool @stable ICU 2.0 */
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# define FALSE 0
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#endif
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/*==========================================================================*/
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/* U_INLINE and U_ALIGN_CODE Set default values if these are not already */
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/* defined. Definitions normally are in */
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/* platform.h or the corresponding file for */
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/* the OS in use. */
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/*==========================================================================*/
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/**
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* \def U_ALIGN_CODE
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* This is used to align code fragments to a specific byte boundary.
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* This is useful for getting consistent performance test results.
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* @internal
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*/
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#ifndef U_ALIGN_CODE
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# define U_ALIGN_CODE(n)
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#endif
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#ifndef U_INLINE
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# define U_INLINE
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#endif
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#include "unicode/urename.h"
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#endif
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