Here is how it is done: suppose that you want to read a chunk of 789 bytes starting from byte 1000 counted from the beginning of that file.

 
  • 下面說(shuō)明如何做到:假定您想從文件開(kāi)頭算起第1000字節處開(kāi)始讀取一塊789字節的數據。
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