strlen 和 sizeof
时间: 2023-10-14 12:02:42 浏览: 46
strlen是一个C语言标准库函数,用于计算一个以null字符结尾的字符串的长度,它返回的是字符串中字符的个数,不包括null字符。当sizeof的对象是数组名时,它返回的是整个数组所占用的内存空间大小。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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