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sizeof strlen length() - 邓维 - 博客园
sizeof strlen length()sizeof(type); //type(操作数)的存储大小size_t strlen(const char *s); //const char * 的长度 string strTest="abc";strTest.length(); //string 的长度 for more : http://blogold.chinaunix.net/u/20828/showart_438003.html http://www.360doc.com/content/10/0124/00/722458_14261136.shtmlhttp://baike.baidu.com/view/1078660.htm
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