initString.cpp simple pass by reference

initString.cpp

#include <iostream>
 
using namespace std;

/**
    User refrence sign '&' to make it pass by refernce.
*/  
void initString(char* &dest) { 
    dest = new char[255];
    dest[0] = 'a';
    dest[1] = 'b';
    dest[2] = '\0';
   
    cout << dest[1];
}
 
int main() {
    char *p;
   
    initString(p);
   
    cout << p[0];
   
    delete p;
 
    return 0;
}