#include<iostream>
#include<conio.h>
using namespace std;
struct essai
{
int n;
float x;
};



struct essai raz(struct essai* es );
main()
{
      struct essai ess;
      struct essai e;
      ess->n=60;
      ess->x=45.23;
      cout<<"ess :"<<"[ "<<ess->n<<" ]" << "[ "<<ess->x<<" ]"<<endl;
      e=raz(&ess);
      cout<<"ess a 0 :"<<"[ "<<e->n<<" ]" << "[ "<<e->x<<" ]"<<endl;
      
getch();
}
struct essai raz(struct essai* es)
{
     es->n=0;
     es->x=0;
   return es;
}