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

struct noeud {
    struct noeud* precedent;
    int valeur;
    struct noeud* suivant;
}

struct file{
    struct noeud* debut;
    struct noeud* fin;
}

typedef struct file_s file:

file initFile();
bool fileVide();
file enfiler(file f, int x);
int tete(file f);
file defiler(file f);

file initFile(){
    file f;
    f.debut = NULL;
    f.fin = NULL;
    return f;
}

bool fileVide(){
    
}