1 | /* |
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2 | * tclAppInit.c -- |
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3 | * |
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4 | * Provides a default version of the main program and Tcl_AppInit |
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5 | * procedure for Tcl applications (without Tk). |
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6 | * |
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7 | * Copyright (c) 1993 The Regents of the University of California. |
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8 | * Copyright (c) 1994-1997 Sun Microsystems, Inc. |
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9 | * Copyright (c) 1998-1999 by Scriptics Corporation. |
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10 | * |
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11 | * See the file "license.terms" for information on usage and redistribution |
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12 | * of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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13 | * |
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14 | * RCS: @(#) $Id: tclAppInit.c,v 1.9 2000/04/18 23:06:39 hobbs Exp $ |
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15 | */ |
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16 | |
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17 | #include "tcl.h" |
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18 | |
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19 | /* |
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20 | * The following variable is a special hack that is needed in order for |
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21 | * Sun shared libraries to be used for Tcl. |
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22 | */ |
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23 | |
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24 | extern int matherr(); |
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25 | int *tclDummyMathPtr = (int *) matherr; |
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26 | |
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27 | |
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28 | #ifdef TCL_TEST |
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29 | |
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30 | #include "tclInt.h" |
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31 | |
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32 | extern int Procbodytest_Init _ANSI_ARGS_((Tcl_Interp *interp)); |
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33 | extern int Procbodytest_SafeInit _ANSI_ARGS_((Tcl_Interp *interp)); |
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34 | extern int TclObjTest_Init _ANSI_ARGS_((Tcl_Interp *interp)); |
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35 | extern int Tcltest_Init _ANSI_ARGS_((Tcl_Interp *interp)); |
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36 | #ifdef TCL_THREADS |
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37 | extern int TclThread_Init _ANSI_ARGS_((Tcl_Interp *interp)); |
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38 | #endif |
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39 | |
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40 | #endif /* TCL_TEST */ |
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41 | |
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42 | #ifdef TCL_XT_TEST |
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43 | extern void XtToolkitInitialize _ANSI_ARGS_((void)); |
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44 | extern int Tclxttest_Init _ANSI_ARGS_((Tcl_Interp *interp)); |
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45 | #endif |
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46 | |
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47 | /* |
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48 | *---------------------------------------------------------------------- |
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49 | * |
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50 | * main -- |
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51 | * |
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52 | * This is the main program for the application. |
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53 | * |
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54 | * Results: |
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55 | * None: Tcl_Main never returns here, so this procedure never |
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56 | * returns either. |
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57 | * |
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58 | * Side effects: |
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59 | * Whatever the application does. |
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60 | * |
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61 | *---------------------------------------------------------------------- |
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62 | */ |
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63 | |
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64 | int |
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65 | main(argc, argv) |
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66 | int argc; /* Number of command-line arguments. */ |
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67 | char **argv; /* Values of command-line arguments. */ |
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68 | { |
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69 | /* |
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70 | * The following #if block allows you to change the AppInit |
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71 | * function by using a #define of TCL_LOCAL_APPINIT instead |
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72 | * of rewriting this entire file. The #if checks for that |
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73 | * #define and uses Tcl_AppInit if it doesn't exist. |
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74 | */ |
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75 | |
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76 | #ifndef TCL_LOCAL_APPINIT |
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77 | #define TCL_LOCAL_APPINIT Tcl_AppInit |
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78 | #endif |
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79 | extern int TCL_LOCAL_APPINIT _ANSI_ARGS_((Tcl_Interp *interp)); |
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80 | |
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81 | /* |
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82 | * The following #if block allows you to change how Tcl finds the startup |
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83 | * script, prime the library or encoding paths, fiddle with the argv, |
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84 | * etc., without needing to rewrite Tcl_Main() |
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85 | */ |
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86 | |
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87 | #ifdef TCL_LOCAL_MAIN_HOOK |
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88 | extern int TCL_LOCAL_MAIN_HOOK _ANSI_ARGS_((int *argc, char ***argv)); |
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89 | #endif |
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90 | |
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91 | #ifdef TCL_XT_TEST |
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92 | XtToolkitInitialize(); |
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93 | #endif |
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94 | |
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95 | #ifdef TCL_LOCAL_MAIN_HOOK |
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96 | TCL_LOCAL_MAIN_HOOK(&argc, &argv); |
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97 | #endif |
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98 | |
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99 | Tcl_Main(argc, argv, TCL_LOCAL_APPINIT); |
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100 | |
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101 | return 0; /* Needed only to prevent compiler warning. */ |
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102 | } |
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103 | |
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104 | /* |
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105 | *---------------------------------------------------------------------- |
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106 | * |
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107 | * Tcl_AppInit -- |
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108 | * |
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109 | * This procedure performs application-specific initialization. |
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110 | * Most applications, especially those that incorporate additional |
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111 | * packages, will have their own version of this procedure. |
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112 | * |
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113 | * Results: |
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114 | * Returns a standard Tcl completion code, and leaves an error |
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115 | * message in the interp's result if an error occurs. |
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116 | * |
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117 | * Side effects: |
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118 | * Depends on the startup script. |
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119 | * |
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120 | *---------------------------------------------------------------------- |
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121 | */ |
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122 | |
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123 | int |
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124 | Tcl_AppInit(interp) |
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125 | Tcl_Interp *interp; /* Interpreter for application. */ |
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126 | { |
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127 | if (Tcl_Init(interp) == TCL_ERROR) { |
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128 | return TCL_ERROR; |
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129 | } |
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130 | |
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131 | #ifdef TCL_TEST |
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132 | #ifdef TCL_XT_TEST |
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133 | if (Tclxttest_Init(interp) == TCL_ERROR) { |
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134 | return TCL_ERROR; |
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135 | } |
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136 | #endif |
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137 | if (Tcltest_Init(interp) == TCL_ERROR) { |
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138 | return TCL_ERROR; |
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139 | } |
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140 | Tcl_StaticPackage(interp, "Tcltest", Tcltest_Init, |
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141 | (Tcl_PackageInitProc *) NULL); |
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142 | if (TclObjTest_Init(interp) == TCL_ERROR) { |
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143 | return TCL_ERROR; |
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144 | } |
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145 | #ifdef TCL_THREADS |
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146 | if (TclThread_Init(interp) == TCL_ERROR) { |
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147 | return TCL_ERROR; |
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148 | } |
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149 | #endif |
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150 | if (Procbodytest_Init(interp) == TCL_ERROR) { |
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151 | return TCL_ERROR; |
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152 | } |
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153 | Tcl_StaticPackage(interp, "procbodytest", Procbodytest_Init, |
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154 | Procbodytest_SafeInit); |
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155 | #endif /* TCL_TEST */ |
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156 | |
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157 | /* |
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158 | * Call the init procedures for included packages. Each call should |
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159 | * look like this: |
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160 | * |
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161 | * if (Mod_Init(interp) == TCL_ERROR) { |
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162 | * return TCL_ERROR; |
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163 | * } |
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164 | * |
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165 | * where "Mod" is the name of the module. |
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166 | */ |
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167 | |
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168 | /* |
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169 | * Call Tcl_CreateCommand for application-specific commands, if |
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170 | * they weren't already created by the init procedures called above. |
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171 | */ |
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172 | |
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173 | /* |
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174 | * Specify a user-specific startup file to invoke if the application |
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175 | * is run interactively. Typically the startup file is "~/.apprc" |
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176 | * where "app" is the name of the application. If this line is deleted |
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177 | * then no user-specific startup file will be run under any conditions. |
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178 | */ |
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179 | |
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180 | Tcl_SetVar(interp, "tcl_rcFileName", "~/.tclshrc", TCL_GLOBAL_ONLY); |
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181 | return TCL_OK; |
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182 | } |
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