CPP

memcpy c++ usage

#include<cstring> // or string.h
int main(){
	char a[4],b[]={"hello"};
  	memcpy(a,b,strlen(b)*sizeof(char));//destination,source,size*sizeof(type)
  	
}

memcpy library cpp

#include <cstring>

memcpy in cpp

#include <cstring>
#include <iostream>
using namespace std;

int main() {
  char source[] = "Tutorial";
  char destination[] = "Programiz";

  // copy all bytes of destination to source
  memcpy(destination, source, sizeof(source));

  cout << destination;

  return 0;
}

// Output: Tutorial