Code: #include<stdio.h> #include<conio.h> #define SWAPE(x,y) int t;t=x;x=y;y=t; main() { int a,b; Printf("\n Enter two number"); scanf("%d%d",&a,&b); Printf("\n Before swaping the Value of a=%d and b=%d",a,b); SWAPE(a,b); printf("\n After swap value of a=%d and b=%d",a,b); return 0; }