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1 // ISO C9x compliant stdint.h for Microsoft Visual Studio
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2 // Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124
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3 //
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4 // Copyright (c) 2006-2008 Alexander Chemeris
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5 //
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6 // Redistribution and use in source and binary forms, with or without
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7 // modification, are permitted provided that the following conditions are met:
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8 //
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9 // 1. Redistributions of source code must retain the above copyright notice,
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10 // this list of conditions and the following disclaimer.
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11 //
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12 // 2. Redistributions in binary form must reproduce the above copyright
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13 // notice, this list of conditions and the following disclaimer in the
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14 // documentation and/or other materials provided with the distribution.
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15 //
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16 // 3. The name of the author may be used to endorse or promote products
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17 // derived from this software without specific prior written permission.
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18 //
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19 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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20 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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21 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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22 // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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24 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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25 // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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26 // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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27 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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28 // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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29 //
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30 ///////////////////////////////////////////////////////////////////////////////
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31
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32 #ifndef _MSC_VER // [
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33 #error "Use this header only with Microsoft Visual C++ compilers!"
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34 #endif // _MSC_VER ]
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35
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36 #ifndef _MSC_STDINT_H_ // [
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37 #define _MSC_STDINT_H_
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38
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39 #if _MSC_VER > 1000
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40 #pragma once
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41 #endif
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42
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43 #include <limits.h>
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44
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45 // For Visual Studio 6 in C++ mode and for many Visual Studio versions when
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46 // compiling for ARM we should wrap <wchar.h> include with 'extern "C++" {}'
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47 // or compiler give many errors like this:
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48 // error C2733: second C linkage of overloaded function 'wmemchr' not allowed
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49 #ifdef __cplusplus
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50 extern "C" {
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51 #endif
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52 # include <wchar.h>
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53 #ifdef __cplusplus
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54 }
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55 #endif
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56
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57 // Define _W64 macros to mark types changing their size, like intptr_t.
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58 #ifndef _W64
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59 # if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300
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60 # define _W64 __w64
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61 # else
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62 # define _W64
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63 # endif
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64 #endif
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65
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66
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67 // 7.18.1 Integer types
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68
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69 // 7.18.1.1 Exact-width integer types
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70
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71 // Visual Studio 6 and Embedded Visual C++ 4 doesn't
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72 // realize that, e.g. char has the same size as __int8
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73 // so we give up on __intX for them.
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74 #if (_MSC_VER < 1300)
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75 typedef signed char int8_t;
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76 typedef signed short int16_t;
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77 typedef signed int int32_t;
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78 typedef unsigned char uint8_t;
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79 typedef unsigned short uint16_t;
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80 typedef unsigned int uint32_t;
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81 #else
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82 typedef signed __int8 int8_t;
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83 typedef signed __int16 int16_t;
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84 typedef signed __int32 int32_t;
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85 typedef unsigned __int8 uint8_t;
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86 typedef unsigned __int16 uint16_t;
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87 typedef unsigned __int32 uint32_t;
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88 #endif
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89 typedef signed __int64 int64_t;
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90 typedef unsigned __int64 uint64_t;
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91
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92
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93 // 7.18.1.2 Minimum-width integer types
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94 typedef int8_t int_least8_t;
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95 typedef int16_t int_least16_t;
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96 typedef int32_t int_least32_t;
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97 typedef int64_t int_least64_t;
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98 typedef uint8_t uint_least8_t;
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99 typedef uint16_t uint_least16_t;
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100 typedef uint32_t uint_least32_t;
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101 typedef uint64_t uint_least64_t;
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102
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103 // 7.18.1.3 Fastest minimum-width integer types
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104 typedef int8_t int_fast8_t;
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105 typedef int16_t int_fast16_t;
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106 typedef int32_t int_fast32_t;
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107 typedef int64_t int_fast64_t;
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108 typedef uint8_t uint_fast8_t;
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109 typedef uint16_t uint_fast16_t;
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110 typedef uint32_t uint_fast32_t;
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111 typedef uint64_t uint_fast64_t;
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112
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113 // 7.18.1.4 Integer types capable of holding object pointers
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114 #ifdef _WIN64 // [
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115 typedef signed __int64 intptr_t;
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116 typedef unsigned __int64 uintptr_t;
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117 #else // _WIN64 ][
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118 typedef _W64 signed int intptr_t;
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119 typedef _W64 unsigned int uintptr_t;
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120 #endif // _WIN64 ]
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121
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122 // 7.18.1.5 Greatest-width integer types
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123 typedef int64_t intmax_t;
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124 typedef uint64_t uintmax_t;
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125
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126
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127 // 7.18.2 Limits of specified-width integer types
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128
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129 #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) // [ See footnote 220 at page 257 and footnote 221 at page 259
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130
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131 // 7.18.2.1 Limits of exact-width integer types
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132 #define INT8_MIN ((int8_t)_I8_MIN)
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133 #define INT8_MAX _I8_MAX
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134 #define INT16_MIN ((int16_t)_I16_MIN)
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135 #define INT16_MAX _I16_MAX
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136 #define INT32_MIN ((int32_t)_I32_MIN)
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137 #define INT32_MAX _I32_MAX
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138 #define INT64_MIN ((int64_t)_I64_MIN)
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139 #define INT64_MAX _I64_MAX
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140 #define UINT8_MAX _UI8_MAX
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141 #define UINT16_MAX _UI16_MAX
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142 #define UINT32_MAX _UI32_MAX
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143 #define UINT64_MAX _UI64_MAX
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144
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145 // 7.18.2.2 Limits of minimum-width integer types
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146 #define INT_LEAST8_MIN INT8_MIN
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147 #define INT_LEAST8_MAX INT8_MAX
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148 #define INT_LEAST16_MIN INT16_MIN
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149 #define INT_LEAST16_MAX INT16_MAX
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150 #define INT_LEAST32_MIN INT32_MIN
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151 #define INT_LEAST32_MAX INT32_MAX
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152 #define INT_LEAST64_MIN INT64_MIN
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153 #define INT_LEAST64_MAX INT64_MAX
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154 #define UINT_LEAST8_MAX UINT8_MAX
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155 #define UINT_LEAST16_MAX UINT16_MAX
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156 #define UINT_LEAST32_MAX UINT32_MAX
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157 #define UINT_LEAST64_MAX UINT64_MAX
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158
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159 // 7.18.2.3 Limits of fastest minimum-width integer types
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160 #define INT_FAST8_MIN INT8_MIN
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161 #define INT_FAST8_MAX INT8_MAX
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162 #define INT_FAST16_MIN INT16_MIN
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163 #define INT_FAST16_MAX INT16_MAX
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164 #define INT_FAST32_MIN INT32_MIN
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165 #define INT_FAST32_MAX INT32_MAX
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166 #define INT_FAST64_MIN INT64_MIN
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167 #define INT_FAST64_MAX INT64_MAX
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168 #define UINT_FAST8_MAX UINT8_MAX
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169 #define UINT_FAST16_MAX UINT16_MAX
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170 #define UINT_FAST32_MAX UINT32_MAX
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171 #define UINT_FAST64_MAX UINT64_MAX
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172
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173 // 7.18.2.4 Limits of integer types capable of holding object pointers
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174 #ifdef _WIN64 // [
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175 # define INTPTR_MIN INT64_MIN
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176 # define INTPTR_MAX INT64_MAX
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177 # define UINTPTR_MAX UINT64_MAX
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178 #else // _WIN64 ][
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179 # define INTPTR_MIN INT32_MIN
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180 # define INTPTR_MAX INT32_MAX
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181 # define UINTPTR_MAX UINT32_MAX
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182 #endif // _WIN64 ]
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183
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184 // 7.18.2.5 Limits of greatest-width integer types
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185 #define INTMAX_MIN INT64_MIN
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186 #define INTMAX_MAX INT64_MAX
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187 #define UINTMAX_MAX UINT64_MAX
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188
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189 // 7.18.3 Limits of other integer types
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190
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191 #ifdef _WIN64 // [
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192 # define PTRDIFF_MIN _I64_MIN
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193 # define PTRDIFF_MAX _I64_MAX
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194 #else // _WIN64 ][
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195 # define PTRDIFF_MIN _I32_MIN
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196 # define PTRDIFF_MAX _I32_MAX
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197 #endif // _WIN64 ]
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198
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199 #define SIG_ATOMIC_MIN INT_MIN
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200 #define SIG_ATOMIC_MAX INT_MAX
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201
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202 #ifndef SIZE_MAX // [
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203 # ifdef _WIN64 // [
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204 # define SIZE_MAX _UI64_MAX
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205 # else // _WIN64 ][
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206 # define SIZE_MAX _UI32_MAX
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207 # endif // _WIN64 ]
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208 #endif // SIZE_MAX ]
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209
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210 // WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h>
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211 #ifndef WCHAR_MIN // [
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212 # define WCHAR_MIN 0
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213 #endif // WCHAR_MIN ]
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214 #ifndef WCHAR_MAX // [
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215 # define WCHAR_MAX _UI16_MAX
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216 #endif // WCHAR_MAX ]
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217
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218 #define WINT_MIN 0
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219 #define WINT_MAX _UI16_MAX
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220
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221 #endif // __STDC_LIMIT_MACROS ]
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222
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223
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224 // 7.18.4 Limits of other integer types
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225
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226 #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [ See footnote 224 at page 260
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227
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228 // 7.18.4.1 Macros for minimum-width integer constants
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229
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230 #define INT8_C(val) val##i8
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231 #define INT16_C(val) val##i16
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232 #define INT32_C(val) val##i32
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233 #define INT64_C(val) val##i64
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234
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235 #define UINT8_C(val) val##ui8
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236 #define UINT16_C(val) val##ui16
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237 #define UINT32_C(val) val##ui32
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238 #define UINT64_C(val) val##ui64
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239
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240 // 7.18.4.2 Macros for greatest-width integer constants
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241 #define INTMAX_C INT64_C
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242 #define UINTMAX_C UINT64_C
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243
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244 #endif // __STDC_CONSTANT_MACROS ]
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245
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246
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247 #endif // _MSC_STDINT_H_ ]
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