C program to swap the address of two variables.
C Program
#include <stdio.h>
#include <conio.h>
void swap(int *,int *);
void main()
{
int a=10,b=20;
clrscr();
printf("\nVALUES OF a AND b BEFORE SWAPING ARE %d %d",a,b);
swap(&a,&b);
printf("\nVALUES OF a AND b AFTER SWAPING ARE %d %d",a,b);
getch();
}
void swap(x,y)
int *x,*y;
{
int t;
t=*x;
*x=*y;
*y=t;
}
Output
