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131
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1 /* Test to verify that calls to common built-in functions declared
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2 with no prototype do not cause an ICE.
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3 { dg-do compile }
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4 { dg-options "-O2 -Wall -Wextra" }
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5 { dg-prune-output "warning" }
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6 { dg-require-effective-target alloca } */
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7
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8 typedef __SIZE_TYPE__ size_t;
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9
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10 #if __cplusplus
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11 extern "C" {
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12
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13 #define NO_PROTO ...
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14 #else
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15 #define NO_PROTO /* empty */
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16 #endif
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17
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18 /* Character classification built-ins from <ctype.h>. */
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19 int isalpha (NO_PROTO);
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20 int isalnum (NO_PROTO);
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21 int isalpha (NO_PROTO);
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22 int iscntrl (NO_PROTO);
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23 int isdigit (NO_PROTO);
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24 int isgraph (NO_PROTO);
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25 int islower (NO_PROTO);
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26 int isprint (NO_PROTO);
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27 int ispunct (NO_PROTO);
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28 int isspace (NO_PROTO);
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29 int isupper (NO_PROTO);
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30 int isxdigit (NO_PROTO);
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31 int tolower (NO_PROTO);
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32 int toupper (NO_PROTO);
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33
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34 /* Memory allocation built-ins from <stdlib.h>. */
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35 void* alloca (NO_PROTO);
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36 void* aligned_alloc (NO_PROTO);
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37 void* calloc (NO_PROTO);
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38 void* malloc (NO_PROTO);
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39 void* realloc (NO_PROTO);
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40
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41 /* Raw memory built-ins from <string.h>. */
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42 void* memcpy (NO_PROTO);
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43 void* memchr (NO_PROTO);
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44 void* memmove (NO_PROTO);
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45 void* mempcpy (NO_PROTO);
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46 void* memset (NO_PROTO);
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47
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48 /* String built-ins from <string.h>. */
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49 char* stpcpy (NO_PROTO);
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50 char* stpncpy (NO_PROTO);
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51
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52 char* strcat (NO_PROTO);
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53 char* strcpy (NO_PROTO);
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54
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55 char* strdup (NO_PROTO);
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56 char* strndup (NO_PROTO);
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57
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58 char* strncat (NO_PROTO);
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59 char* strncpy (NO_PROTO);
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60
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61 size_t strlen (NO_PROTO);
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62 size_t strnlen (NO_PROTO);
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63
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64 char* strchr (NO_PROTO);
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65 int strcmp (NO_PROTO);
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66 int strncmp (NO_PROTO);
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67
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68 /* Input/output functions from <stdio.h>. */
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69 int puts (NO_PROTO);
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70 int fputs (NO_PROTO);
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71
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72 int scanf (NO_PROTO);
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73 int fscanf (NO_PROTO);
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74 int sscanf (NO_PROTO);
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75 int vfscanf (NO_PROTO);
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76 int vsscanf (NO_PROTO);
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77
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78 int printf (NO_PROTO);
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79 int fprintf (NO_PROTO);
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80 int sprintf (NO_PROTO);
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81
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82 int snprintf (NO_PROTO);
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83
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84 int vprintf (NO_PROTO);
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85 int vfprintf (NO_PROTO);
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86 int vsprintf (NO_PROTO);
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87
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88 int vsnprintf (NO_PROTO);
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89
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90 #if __cplusplus
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91 }
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92 #endif
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93
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94
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95 #define CONCAT(a, b) a ## b
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96 #define UNIQ_NAME(func, id) CONCAT (test_ ## func ## _, id)
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97
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98 #define TEST_FUNC(func, arglist) \
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99 __typeof__ (func arglist) \
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100 UNIQ_NAME (func, __COUNTER__) (void) { \
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101 return func arglist; \
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102 }
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103
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104 #define T1(func) \
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105 TEST_FUNC (func, ()); \
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106 TEST_FUNC (func, (1)); \
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107 TEST_FUNC (func, ("")); \
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108 TEST_FUNC (func, ((void*)1)); \
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109 TEST_FUNC (func, (iarr)); \
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110 TEST_FUNC (func, (function))
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111
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112 #define T2(func) \
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113 TEST_FUNC (func, (1, 1)); \
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114 TEST_FUNC (func, (1, "")); \
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115 TEST_FUNC (func, (1, (void*)1)); \
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116 TEST_FUNC (func, (1, iarr)); \
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117 TEST_FUNC (func, (1, function))
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118
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119 #define T3(func) \
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120 TEST_FUNC (func, (1, 1, 1)); \
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121 TEST_FUNC (func, (1, 1, "")); \
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122 TEST_FUNC (func, (1, 1, (void*)1)); \
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123 TEST_FUNC (func, (1, 1, iarr)); \
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124 TEST_FUNC (func, (1, 1, function))
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125
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126 extern int iarr[];
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127 extern void function (void);
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128
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129 T1 (isalpha);
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130 T1 (isalnum);
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131 T1 (isalpha);
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132 T1 (iscntrl);
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133 T1 (isdigit);
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134 T1 (isgraph);
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135 T1 (islower);
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136 T1 (isprint);
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137 T1 (ispunct);
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138 T1 (isspace);
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139 T1 (isupper);
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140 T1 (isxdigit);
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141 T1 (tolower);
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142 T1 (toupper);
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143
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144 T1 (alloca);
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145 T2 (aligned_alloc);
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146 T2 (malloc);
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147 T2 (calloc);
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148 T2 (realloc);
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149
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150 T3 (memcpy);
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151 T3 (memmove);
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152 T3 (mempcpy);
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153 T3 (memset);
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154 T3 (memchr);
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155
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156 T2 (stpcpy);
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157 T3 (stpncpy);
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158
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159 T2 (strcat);
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160 T2 (strcpy);
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161
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162 T1 (strdup);
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163 T2 (strndup);
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164
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165 T3 (strncat);
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166 T3 (strncpy);
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167
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168 T2 (strchr);
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169 T2 (strcmp);
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170 T3 (strncmp);
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171
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172 T1 (strlen);
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173 T2 (strnlen);
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174
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175 T1 (puts);
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176 T2 (fputs);
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177
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178 T1 (scanf);
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179 T2 (fscanf);
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180 T2 (sscanf);
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181 T2 (vfscanf);
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182 T2 (vsscanf);
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183
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184 T2 (printf);
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185 T3 (fprintf);
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186 T3 (sprintf);
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187
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188 T3 (snprintf);
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189
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190 T2 (vprintf);
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191 T2 (vfprintf);
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192 T2 (vsprintf);
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193
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194 T3 (vsnprintf);
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