The rewind function "rewinds" the position of the file pointer to the beginning of the file.

函数的作用是：将文件指针的位置倒回到文件的开头。

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This function moves the file pointer from its current position to a new position, forward or backward, specified by the number of bytes.

整个函数将文件指针从当前位置向前或向后移动移动到一个新的位置。

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As in the moment of writing, you will use seek to move the file pointer into the correct position, there will be no errors of overlapping.

在写作的那一刻，您将使用试图将文件指针移动到正确的位置，不会有错误的重叠。

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