Probleme passage tab** de fonctions a fonction.

int func_2(int *tab)
{
    putchar(tab[0]);
//calcul d'index a faire tab[a][b] = tab[a*dimensionIndex1+b]
}

int func_1()
{
    int tab[4][4];
    tab[0][0] = 4;
    func_2((int*)tab);
}

int display_tab(int **tab, int width, int height)
{
   int i = 0;
   int j = 0;

   for (i = 0; i < width; ++i)
     for (j = 0; j < height; ++j)
       printf("tab[%i][%i] = %i\n", i, j, tab[i][j]);
}

int main()
{
  int i = 0;
  int** tab = NULL;
  int width = 4;
  int height = 3;

  tab = malloc(width * sizeof (int*));
  for (i = 0; i < width; ++i)
  {
    tab[i] = malloc(height * sizeof (int));
    for (j = 0; j < width; ++j)
      tab[i][j] = i + j;
  }
  display_tab(tab, width, height);
}