memcpy cpp code example

Example 1: 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)
  	
}

Example 2: c memcpy

int dst[ARRAY_LENGTH];
memcpy( dst, src, sizeof(dst) ); // Good, sizeof(dst) returns sizeof(int) * ARRAY_LENGTH

Example 3: memcpy library cpp

#include <cstring>