memmove

#include <iostream>
#include <cstring>

int main() {
    const char src[] = "Hello, World!";
    char dest[20];

    std::cout << "Before memmove: " << dest << std::endl;

    memmove(dest, src, sizeof(src));

    std::cout << "After memmove: " << dest << std::endl;

    return 0;
}