Printf n'affiche rien

// File : binarytree.c
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include "movietable.h"
#include "tree.h"


int main(int argc, char *argv[])
{
  printf("bonjour");
  MovieTitle query;
  MovieTable * movieTable;
  Tree tree;

  if (argc < 2){
    printf("Usage : ./moviesuggestion moviefile\n");
    exit(EXIT_FAILURE);
  }

  //movieTable = MovieTable_AllocEmpty();

  //MovieTable_ReadMoviesFromFile(movieTable, argv[1]);

  //MovieTable_Print(*movieTable, stdout);

  printf("==================\n" );

  Tree_InitEmpty(&tree);
  Tree_CreateFromMovieTable(&tree, *movieTable);
  printf ("Tree size : %d\n", Tree_GetSize(tree));

//  Tree_Print(tree, stdout);
  while(1){
    printf("Entry your query: ");
    fgets(query, MOVIE_TITLE_MAX_SIZE,stdin);
    printf("%s", query);
   int comp = Tree_AutoSuggestions(tree, *movieTable, query);
    if (comp == -1)
    printf("No other strings found with this prefix\n");
   else if (comp == 0)
    printf("No string found with this prefix\n");
 }


  MovieTable_Destroy(movieTable);
  Tree_Destroy(&tree);
  exit(EXIT_SUCCESS);
}