指针访问变量

#include<stdio.h>
int main(){
int a=3,*p;
p=&a;
printf("a=%d,*p=%d\n",a,*p);//a=3,*p=3

*p=10;
printf("a=%d,*p=%d\n",a,*p);//a=10,*p=10

printf("Enter a:");
scanf("%d",&a);
printf("a=%d,*p=%d\n",a,*p);//a=5,*p=5

(*p)++;
printf("a=%d,*p=%d\n",a,*p);//a=6,*p=6
return 0;
}