指针的操作

#include <stdio.h>
int main()
{
    int num1 = 1024;
    int num2 = 2048;
    int *ptr1;
    int *ptr2;

    ptr1 = &num1;
    ptr2 = &num2;
    printf("num1的值是%d\tnum1的地址是：%p\n",num1,ptr1);
    printf("num2的值是%d\tnum2的地址是: %p\n",num2,ptr2);

    //变量1的值，赋给变量2

    //num2 = num1; = *ptr2 = *ptr1;

//    *ptr2 = *ptr1;
//    printf("重新变量赋值：\n");
//    printf("num1的值是%d\tnum1的地址是：%p\n",num1,ptr1);
//    printf("num2的值是%d\tnum2的地址是: %p\n",num2,ptr2);

    ptr2 = ptr1;  //指针的操作
    printf("重新地址赋值：\n");
    printf("num1的值是%d\tnum1的地址是：%p\n",num1,ptr1);
    printf("num2的值是%d\tnum2的地址是: %p\n",num2,ptr2);

    *ptr2 = 11111111;
    printf("重新赋值：\n");
    printf("num1的值是%d\tnum1的地址是：%p\n",num1,ptr1);
    printf("num2的值是%d\tnum2的地址是: %p\n",num2,ptr2);
}