#include <iostream>

int main(int argc, char **argv)
{
	char a[20]="charstring";
	char * b;
	b=a;
	std::cout<<b<<std::endl<<"adress of a="<<&b<<std::endl;
	std::cout<<"adress of b="<<(int *) b<<std::endl;
	std::cout<<"adress of b="<< &b;
	return 0;
}