Write a program in C to show the call by value.

Write a program in C to show the call by value.

#include<stdio.h>
#include<conio.h>
  int swap(int x,int y);
  void main()
   {
    int a,b;
    printf("Enter two nos:-");
    scanf("%d%d",&a,&b);
    printf("Value of a=%d  & Value of b=%d before swap.",a,b);
    swap(a,b);
    printf("\nValue of a=%d  & Value of b=%d after swap.",a,b);
    getch();
   }
  int swap(int x,int y)
    {
     int temp;
     temp=x;
     x=y;
     y=temp;
    }
   

Output:- 

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