memcpy函数的使用

memcpy函数是C/C++语言中的一个用于内存复制的函数，它的作用是将source指向的地址开始的连续n个字节的数据复制到destin指向的地址开始的内存中。memcpy函数的原型为void *memcpy(void *destin, void *source, unsigned n)。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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