_exit使用错误代码0退出该程序，这个错误代码通常表示成功结束。

Exit exits the program with an error code of 0, traditionally associated with a successful completion.

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_exit使用错误代码0退出该程序，这个错误代码通常表示成功结束。

Exit exits the program with an error code of 0, traditionally associated with a successful completion.

youdao