tee() splits a stream into two branches. It seems straightforward, but the implementation requires buffering: if one branch is read faster than the other, the data must be held somewhere until the slower branch catches up.
The operating system often has a tool for allocating contiguous virtual
。关于这个话题，WPS官方版本下载提供了深入分析
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比爾·蓋茨據報承認與兩俄羅斯女性有染並道歉 梅琳達稱想起「令人痛苦的時光」