The transferTo() method causes the file contents to be copied into a read buffer by the DMA engine.

transferTo()方法引发DMA引擎将文件内容拷贝到一个读取缓冲区。

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The requested amount of data is copied from the read buffer into the user buffer, and the read call returns.

所需的数据被从读取缓冲区拷贝到用户缓冲区，read调用返回。

youdao

The requested amount of data is copied from the read buffer into the user buffer, and the read call returns.

所需的数据被从读取缓冲区拷贝到用户缓冲区，read调用返回。

youdao