[Muduo网络库源码分析] (12) net/Buffer_cc_h缓冲区(非阻塞 IO 必备)

缓冲区(非阻塞 IO 必备) 实现：实现Buffer类 功能：缓冲区，为非阻塞IO暂时存储数据，实现高效IO 知识点： string的函数实现 resize() Resizes the string content to n characters. If n is smaller than the current length of the string, the content is redu

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