PointerTest.cpp

#include <stdio.h>

int main0501(){
	int a=1;
	int b=a;

	a=2;
	printf("a : %d \n",a);
	printf("b : %d \n",b);

	int *p;
	p=&a;

	a=3;
	printf("a : %d \n",a);
	printf("*p : %d \n",*p);
	printf("p : %d \n",p);


	printf("*(&a) : %d \n",*(&a));
	printf("&(*p) : %d \n",&(*p));

	*p=4;

	printf("a : %d \n",a);
	printf("*p : %d \n",*p);

	b=*p;
	*p=5;
	printf("a : %d \n",a);
	printf("b : %d \n",b);
	printf("*p : %d \n",*p);
    return 0;

}