PROGRAM TO SWAP TWO NUMBERS USING POINTERS

#include<stdio.h>

void swap(int *,int *);

main()

{

//swap(int,int);

int a=10,b=20;

printf("Before Swapping:\na=%d\nb=%d\n",a,b);

swap(&a,&b);

}

void swap(int *x,int *y)

{

int z;

z=*x;

*x=*y;

*y=z;

printf("After Swapping:\na=%d\nb=%d\n",*x,*y);

}

~

~

"swapp.c" 17L, 246C                                           16,1          All~

~

OUTPUT:

"swapp.c" 17L, 232C written

[staff@linuxserver staff]$ cc swapp.c

[staff@linuxserver staff]$ ./a.out

Before Swapping:

a=10

b=20

After Swapping:

a=20

b=10