#include <stdio.h>

int main() {
 int a = 10;
 int *p =&a; 
 int b = *p;
 printf("a= %d\n",a);
 printf("adress of a= %d\n",&a);
 printf("value of p= %d\n",p);
printf("address of p= %d\n",&p);
printf("(deref) show the value of stored memory address in p= %d\n",*p);
printf("summary: p= &a ; *p = a | b = %d",b);
}