Pointer in C | Call by reference | Passing pointer to function

Pointer in C | Call by Reference program 

Pointer in C Output 

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#include<stdio.h>

#include<conio.h>

main()

{

    int a,b;

    printf("Enter Value for A and B ");

    scanf("%d%d",&a,&b);

    printf("\n Value before swapping : ");

    printf("\n Value of A is %d ",a);

    printf("\n Value of B is %d ",b);

    swap(&a,&b); //Function call

    printf("\n Value after swapping : ");

    printf("\n Value of A is %d ",a);

    printf("\n Value of B is %d ",b);

}

void swap(int *x,int *y) //Function Define

{

    int t;

    t=*x; //swapping

    *x=*y;

    *y=t;

}

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