C语言及程序设计提高例程-23 指针的运算

//本例无实用价值
#include <stdio.h>
int main( )
{
    int a=2, b=3;
    double c=3.14;
    int *p1=&a, *p2=&b;
    double *p3=&c;
    printf("%x %x\n", p1, p2);
    if(p1>p2)
        printf("Yes.\n");
    else
        printf("No.\n");
    return 0;
}