/*
	TP1 exo3
	cours AIR1 - Langage C
*/


#include <stdio.h>
#include <stdlib.h>

void  echange (int * a, int * b) {
  
       int sauve;

        sauve = *b;
        *b = *a;
        *a = sauve;
}

int main() {
  
       int x = 4, y = 0 ;	   

  printf("Avant echange(&x,&y): x = %d et y =  %d\n", x, y);     
        echange (&x, &y);
  printf("Apres echange(&x,&y): x = %d et y =  %d\n", x, y);     
}