题目内容

The coronavirus outbreak has sparked panic buying of toilet paper and cleaning products in countries across the world, but one UK businessman is determined to spread some happiness among the anxiety and confusion. He has filled the toy grabber machines in his amusement arcade with two of the country's most sought-after sanitary products.

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All medical workers are saving and protecting lives around the clock despite the risk of infection and exhaustion from overwork.

6) The Chinese are a grateful nation. We will remember and hold dear every act of support.

文件所占用的块数可以通过查询buf这个struct stat结构体变量的（）元素获得。

A. buf.st_blksize
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形成空洞文件所需要的使用的函数是( )。

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