memset 和 memset_s
时间: 2023-09-02 08:11:21 浏览: 278
memset函数用法.rar
memset和memset_s都是用来在一段内存中填充指定值的函数,但两者有一些区别。
memset函数的原型为void *memset(void *s, int ch, size_t n),它将s指向的内存块的前n个字节都设置为ch,并返回s。memset主要用于对较大的结构体或数组进行清零操作。例如,可以使用memset来清空一个数组,将数组中的所有元素都设置为0。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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