#include<stdio.h>

void swap(int *Pn1,int *Pn2){
	int tmp;
	tmp=*Pn1; *Pn1=*Pn2; *Pn2=tmp;
	printf ("In SwapFun  n1=%d n2=%d\n",*Pn1,*Pn2);
}

int main(){
	int n1=5, n2=10;
	swap(&n1,&n2);
	printf ("In main n1=%d n2=%d\n",n1,n2);
	return 0 ;
}