Answer Posted / vignesh1988i

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,*ptr1,*ptr2,temp;
printf("enter the values ");
scanf("%d%d",&a,&b);
ptr1=&a;
ptr2=&b;
temp=(*ptr1);
*ptr=(*ptr2);
*ptr2=temp;
printf("\n now the values are a=%d b=%d ",a,b);
getch();
}


thank u

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