【例题1】通过指针访问整型数据
#include<stdio.h>
int main()
{
int a,b;
int *pointer1,*pointer2;
pointer1=&a;
pointer2=&b;
scanf("%d %d",pointer1,pointer2);
printf("a=%d, b=%d",*pointer1,*pointer2);
return 0;
}
运行结果为:
【例题2】输入两个整数,按大小的顺序输出a和b。
#include<stdio.h>
int main()
{
int *p1,*p2,*p,a,b;
printf("please enter two integer numbers:\n");
scanf("%d %d",&a,&b);
p1=&a;
p2=&b;
if(a<b)
{p=p1;p1=p2;p2=p;}
printf("max=%d,min=%d\n",*p1,*p2);
return 0;
}
运行结果为:
【例题3】
#include<stdio.h>
int main()
{
void swap(int *p1,int *p2);
int a,b;
int *pointer_1,*pointer_2;
printf("please enter two intger ");