Ccalc.c: The main program and some functions for input, output, and error processing.

c：主程序，以及一些进行输入、输出和错误处理的函数。

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Ensure transaction mode is set to 'no' for input nodes and 'Automatic' for output nodes during message processing.

确保在消息处理期间输入节点的转换模式设置为“NO”，输出节点设置为“Automatic”。

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Once all the command line arguments are processed, the actual processing of the input starts, using the options and input and output sources and targets specified.

一旦处理了所有的命令行参数，就使用这些指定的选项以及输入、输出源和目标来开始输入的实际处理。

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The NOR type needs to be ultrafast because it is directly connected to the central processing unit of a computer and stores its basic input-output system (the operating system used by the microchip that lies beneath user-interface operating systems, such as Windows).

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