322 lines
11 KiB
Plaintext
322 lines
11 KiB
Plaintext
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stdint.hFile: /usr/include/stdint.h
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1 /* Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
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2 This file is part of the GNU C Library.
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3
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4 The GNU C Library is free software; you can redistribute it and/or
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5 modify it under the terms of the GNU Lesser General Public
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6 License as published by the Free Software Foundation; either
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7 version 2.1 of the License, or (at your option) any later version.
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8
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9 The GNU C Library is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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12 Lesser General Public License for more details.
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13
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14 You should have received a copy of the GNU Lesser General Public
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15 License along with the GNU C Library; if not, write to the Free
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16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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17 02111-1307 USA. */
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18
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19 /*
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20 * ISO C99: 7.18 Integer types <stdint.h>
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21 */
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22
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23 #ifndef _STDINT_H
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24 #define _STDINT_H 1
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25
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26 #include <features.h>
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27 #include <bits/wchar.h>
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28 #include <bits/wordsize.h>
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29
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30 /* Exact integral types. */
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31
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32 /* Signed. */
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33
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34 /* There is some amount of overlap with <sys/types.h> as known by inet code */
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35 #ifndef __int8_t_defined
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36 # define __int8_t_defined
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37 typedef signed char int8_t;
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38 typedef short int int16_t;
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39 typedef int int32_t;
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40 # if __WORDSIZE == 64
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41 typedef long int int64_t;
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42 # else
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43 __extension__
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44 typedef long long int int64_t;
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45 # endif
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46 #endif
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47
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48 /* Unsigned. */
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49 typedef unsigned char uint8_t;
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50 typedef unsigned short int uint16_t;
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51 #ifndef __uint32_t_defined
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52 typedef unsigned int uint32_t;
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53 # define __uint32_t_defined
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54 #endif
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55 #if __WORDSIZE == 64
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56 typedef unsigned long int uint64_t;
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57 #else
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58 __extension__
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59 typedef unsigned long long int uint64_t;
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60 #endif
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61
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62
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63 /* Small types. */
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64
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65 /* Signed. */
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66 typedef signed char int_least8_t;
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67 typedef short int int_least16_t;
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68 typedef int int_least32_t;
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69 #if __WORDSIZE == 64
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70 typedef long int int_least64_t;
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71 #else
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72 __extension__
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73 typedef long long int int_least64_t;
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74 #endif
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75
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76 /* Unsigned. */
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77 typedef unsigned char uint_least8_t;
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78 typedef unsigned short int uint_least16_t;
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79 typedef unsigned int uint_least32_t;
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80 #if __WORDSIZE == 64
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81 typedef unsigned long int uint_least64_t;
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82 #else
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83 __extension__
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84 typedef unsigned long long int uint_least64_t;
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85 #endif
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86
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87
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88 /* Fast types. */
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89
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90 /* Signed. */
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91 typedef signed char int_fast8_t;
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92 #if __WORDSIZE == 64
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93 typedef long int int_fast16_t;
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94 typedef long int int_fast32_t;
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95 typedef long int int_fast64_t;
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96 #else
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97 typedef int int_fast16_t;
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98 typedef int int_fast32_t;
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99 __extension__
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100 typedef long long int int_fast64_t;
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101 #endif
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102
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103 /* Unsigned. */
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104 typedef unsigned char uint_fast8_t;
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105 #if __WORDSIZE == 64
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106 typedef unsigned long int uint_fast16_t;
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107 typedef unsigned long int uint_fast32_t;
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108 typedef unsigned long int uint_fast64_t;
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109 #else
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110 typedef unsigned int uint_fast16_t;
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111 typedef unsigned int uint_fast32_t;
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112 __extension__
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113 typedef unsigned long long int uint_fast64_t;
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114 #endif
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115
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116
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117 /* Types for `void *' pointers. */
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118 #if __WORDSIZE == 64
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119 # ifndef __intptr_t_defined
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120 typedef long int intptr_t;
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121 # define __intptr_t_defined
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122 # endif
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123 typedef unsigned long int uintptr_t;
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124 #else
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125 # ifndef __intptr_t_defined
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126 typedef int intptr_t;
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127 # define __intptr_t_defined
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128 # endif
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129 typedef unsigned int uintptr_t;
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130 #endif
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131
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132
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133 /* Largest integral types. */
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134 #if __WORDSIZE == 64
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135 typedef long int intmax_t;
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136 typedef unsigned long int uintmax_t;
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137 #else
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138 __extension__
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139 typedef long long int intmax_t;
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140 __extension__
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141 typedef unsigned long long int uintmax_t;
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142 #endif
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143
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144
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145 /* The ISO C99 standard specifies that in C++ implementations these
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146 macros should only be defined if explicitly requested. */
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147 #if !defined __cplusplus || defined __STDC_LIMIT_MACROS
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148
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149 # if __WORDSIZE == 64
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150 # define __INT64_C(c) c ## L
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151 # define __UINT64_C(c) c ## UL
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152 # else
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153 # define __INT64_C(c) c ## LL
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154 # define __UINT64_C(c) c ## ULL
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155 # endif
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156
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157 /* Limits of integral types. */
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158
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159 /* Minimum of signed integral types. */
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160 # define INT8_MIN (-128)
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161 # define INT16_MIN (-32767-1)
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162 # define INT32_MIN (-2147483647-1)
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163 # define INT64_MIN (-__INT64_C(9223372036854775807)-1)
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164 /* Maximum of signed integral types. */
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165 # define INT8_MAX (127)
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166 # define INT16_MAX (32767)
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167 # define INT32_MAX (2147483647)
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168 # define INT64_MAX (__INT64_C(9223372036854775807))
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169
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170 /* Maximum of unsigned integral types. */
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171 # define UINT8_MAX (255)
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172 # define UINT16_MAX (65535)
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173 # define UINT32_MAX (4294967295U)
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174 # define UINT64_MAX (__UINT64_C(18446744073709551615))
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175
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176
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177 /* Minimum of signed integral types having a minimum size. */
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178 # define INT_LEAST8_MIN (-128)
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179 # define INT_LEAST16_MIN (-32767-1)
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180 # define INT_LEAST32_MIN (-2147483647-1)
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181 # define INT_LEAST64_MIN (-__INT64_C(9223372036854775807)-1)
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182 /* Maximum of signed integral types having a minimum size. */
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183 # define INT_LEAST8_MAX (127)
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184 # define INT_LEAST16_MAX (32767)
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185 # define INT_LEAST32_MAX (2147483647)
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186 # define INT_LEAST64_MAX (__INT64_C(9223372036854775807))
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187
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188 /* Maximum of unsigned integral types having a minimum size. */
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189 # define UINT_LEAST8_MAX (255)
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190 # define UINT_LEAST16_MAX (65535)
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191 # define UINT_LEAST32_MAX (4294967295U)
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192 # define UINT_LEAST64_MAX (__UINT64_C(18446744073709551615))
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193
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194
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195 /* Minimum of fast signed integral types having a minimum size. */
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196 # define INT_FAST8_MIN (-128)
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197 # if __WORDSIZE == 64
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198 # define INT_FAST16_MIN (-9223372036854775807L-1)
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199 # define INT_FAST32_MIN (-9223372036854775807L-1)
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200 # else
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201 # define INT_FAST16_MIN (-2147483647-1)
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202 # define INT_FAST32_MIN (-2147483647-1)
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203 # endif
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204 # define INT_FAST64_MIN (-__INT64_C(9223372036854775807)-1)
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205 /* Maximum of fast signed integral types having a minimum size. */
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206 # define INT_FAST8_MAX (127)
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207 # if __WORDSIZE == 64
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208 # define INT_FAST16_MAX (9223372036854775807L)
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209 # define INT_FAST32_MAX (9223372036854775807L)
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210 # else
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211 # define INT_FAST16_MAX (2147483647)
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212 # define INT_FAST32_MAX (2147483647)
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213 # endif
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214 # define INT_FAST64_MAX (__INT64_C(9223372036854775807))
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215
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216 /* Maximum of fast unsigned integral types having a minimum size. */
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217 # define UINT_FAST8_MAX (255)
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218 # if __WORDSIZE == 64
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219 # define UINT_FAST16_MAX (18446744073709551615UL)
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220 # define UINT_FAST32_MAX (18446744073709551615UL)
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221 # else
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222 # define UINT_FAST16_MAX (4294967295U)
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223 # define UINT_FAST32_MAX (4294967295U)
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224 # endif
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225 # define UINT_FAST64_MAX (__UINT64_C(18446744073709551615))
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226
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227
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228 /* Values to test for integral types holding `void *' pointer. */
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229 # if __WORDSIZE == 64
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230 # define INTPTR_MIN (-9223372036854775807L-1)
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231 # define INTPTR_MAX (9223372036854775807L)
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232 # define UINTPTR_MAX (18446744073709551615UL)
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233 # else
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234 # define INTPTR_MIN (-2147483647-1)
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235 # define INTPTR_MAX (2147483647)
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236 # define UINTPTR_MAX (4294967295U)
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237 # endif
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238
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239
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240 /* Minimum for largest signed integral type. */
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241 # define INTMAX_MIN (-__INT64_C(9223372036854775807)-1)
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242 /* Maximum for largest signed integral type. */
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243 # define INTMAX_MAX (__INT64_C(9223372036854775807))
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244
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245 /* Maximum for largest unsigned integral type. */
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246 # define UINTMAX_MAX (__UINT64_C(18446744073709551615))
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247
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248
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249 /* Limits of other integer types. */
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250
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251 /* Limits of `ptrdiff_t' type. */
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252 # if __WORDSIZE == 64
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253 # define PTRDIFF_MIN (-9223372036854775807L-1)
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254 # define PTRDIFF_MAX (9223372036854775807L)
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255 # else
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256 # define PTRDIFF_MIN (-2147483647-1)
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257 # define PTRDIFF_MAX (2147483647)
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258 # endif
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259
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260 /* Limits of `sig_atomic_t'. */
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261 # define SIG_ATOMIC_MIN (-2147483647-1)
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262 # define SIG_ATOMIC_MAX (2147483647)
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263
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264 /* Limit of `size_t' type. */
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265 # if __WORDSIZE == 64
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266 # define SIZE_MAX (18446744073709551615UL)
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267 # else
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268 # define SIZE_MAX (4294967295U)
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269 # endif
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270
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271 /* Limits of `wchar_t'. */
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272 # ifndef WCHAR_MIN
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273 /* These constants might also be defined in <wchar.h>. */
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274 # define WCHAR_MIN __WCHAR_MIN
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275 # define WCHAR_MAX __WCHAR_MAX
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276 # endif
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277
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278 /* Limits of `wint_t'. */
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279 # define WINT_MIN (0u)
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280 # define WINT_MAX (4294967295u)
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281
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282 #endif /* C++ && limit macros */
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283
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284
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285 /* The ISO C99 standard specifies that in C++ implementations these
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286 should only be defined if explicitly requested. */
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287 #if !defined __cplusplus || defined __STDC_CONSTANT_MACROS
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288
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289 /* Signed. */
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290 # define INT8_C(c) c
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291 # define INT16_C(c) c
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292 # define INT32_C(c) c
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293 # if __WORDSIZE == 64
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294 # define INT64_C(c) c ## L
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295 # else
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296 # define INT64_C(c) c ## LL
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297 # endif
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298
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299 /* Unsigned. */
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300 # define UINT8_C(c) c ## U
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301 # define UINT16_C(c) c ## U
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302 # define UINT32_C(c) c ## U
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303 # if __WORDSIZE == 64
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304 # define UINT64_C(c) c ## UL
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305 # else
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306 # define UINT64_C(c) c ## ULL
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307 # endif
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308
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309 /* Maximal type. */
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310 # if __WORDSIZE == 64
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311 # define INTMAX_C(c) c ## L
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312 # define UINTMAX_C(c) c ## UL
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313 # else
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314 # define INTMAX_C(c) c ## LL
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315 # define UINTMAX_C(c) c ## ULL
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316 # endif
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317
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318 #endif /* C++ && constant macros */
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319
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320 #endif /* stdint.h */
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321
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