#include<stdio.h>
void swap(int *px,int *py)/*妳的原程序int *px和int *py之間的逗號輸錯了!*/
{
int m;
m=*px;
*px=*py;
*py=m;
}
main()
int a=5,b=9;
printf("a=%d\tb=%d\n",a,b);
swap(&a,&b);
printf("交換後兩個數為:\n");
printf("a=%d\tb=%d:\n",a,b);