#include <iostream>
using namespace std;
void funcion1(char* &car)
{
car++;
}
void funcion2(char* car)
{
car++;
}
int main()
{
char cadena[] = "ab", *c;
c = cadena; //c apunta a cadena[0] o sea *c == 'a';
cout << *c << endl;
funcion1(c);
cout << *c << endl;
c = cadena; //c apunta a cadena[0] o sea *c == 'a';
cout << *c << endl;
funcion2(c);
cout << *c << endl;
return 0;
}