例如，为了获取输入，我们可能需要指定文件或设备作为信息来源，并且要把地址和内存缓冲区的长度放到输入读取的位置。

For example, to get input, we may need to specify the file or device to use as the source, and the address and length of the memory buffer into which the input should be read.

youdao

另一个选择是在预定位置的原始文件的副本到缓冲区，将文件指针的方法负载。

The other option is to load a copy of the original file into buffer and place the file pointer at the intended position.

youdao

另一个选择是在预定位置的原始文件的副本到缓冲区，将文件指针的方法负载。

The other option is to load a copy of the original file into buffer and place the file pointer at the intended position.

youdao