Microsoft 运行库包含库例程所使用的全局常量的定义。The Microsoft run-time library contains definitions for global constants used by library routines.若要使用这些常量，请按照每个常量的说明中所示的那样包括适当的标头文件。To use these constants, include the appropriate header files as indicated in the description for each constant.下表列出了全局常量。The global constants are listed in the following table.
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