C memcpy函数代码实现

void * Mymemcpy(void * dest ,const void *src ,size_t count)
{
    void *temp = dest;
    while (count--)
    {
        *(char *)dest = *(char *)src;
        ++(char *)src;
        ++(char *)dest;
    }
    return temp;
}

 C标准实现，无法重叠拷贝