# include & ltstdio.h & gt
Void swap(int *px,int *py)/*妳原程序中int *px和int *py之間的逗號是錯的!*/
{
int m;
m = * px
* px = * py
* py = m;
}
主()
{
int a=5,b = 9;
printf("a=%d\tb=%d\n ",a,b);
互換(amp壹,& ampb);
Printf("交換後的兩個數是:\ n ");
printf("a=%d\tb=%d:\n ",a,b);
}