C-programming - Swapping using temporary variable, C program to swap using temporary varible

Swapping using temporary variable

This program uses a temporary variable 'temp' to swap two values.

#include<stdio.h>
#include<conio.h>
int swap(int x,int y);
int main()
{
    int a,b;
    printf("enter the values");
    scanf("%d%d",&a,&b);
    swap(a,b);
    getch();
}
    
int swap(int x,int y)
    {
        int temp;
        temp=x;
        x=y;
        y=temp;
        printf("after swapping the values are %d %d",x,y);
    }

output

enter the values 
2
4
after swapping values are 4 2

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