C Program : write a c program to swap three variable a, b & c using forth variable

/*write a c program to swap three variable a,b&c using forth variable*/

#include “stdio .h”
#include “conio .h”

void main()
{
int a,b,c,d;
clrscr();
printf(“enter value of a:”);
scanf(“%d”,&a);
printf(“enter value of b:”);
scanf(“%d”,&b);
printf(“enter value of c:”);
scanf(“%d”,&c);
printf(“n values of variables a,b&c before swapping:nt%d %d %d”,a,b,c);
d=a;
a=b;
b=c;
c=d;
printf(“n values of variables a,b&c after swapping:nt%d %d %d”,a,b,c);
getch();
}