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C语言p和p的区别
更新时间: 2020-07-09 00:00:00  

先要理解地址和数据,可以想象有很多盒子,每个盒子有对应的号码,那个号码叫做“地址”,而盒子里放的东西叫做“数据”。上面就段理解了,*p和p的区别就不难解释了。p是指针变量,用来存放地址,可以认为是上面所说的盒子的号码,“*”是解引用操作符,可以把它理解成打开盒子,*p就是打开p号盒子,取出里面的数据。简单来说,p存放的是地址,而*p是让程序去那个地址取出数据。

关键词: 语言 区别

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