Mine

int     main(int ac, char **av)
{
   int   alice;
   char *str;
  int   a;
  int   vitesse;
  int   var;

  var = 0;
  while (av[var])
    {
      if (!my_strcmp(av[var], "-v"))
        {
          vitesse = my_getnbr(av[var + 1]);
        }
      if (!my_strcmp(av[var], "-t"))
        str = av[var + 1];
      var++;
    }
  a = my_strlen(str);
  alice = ((41 - a) / 2);
  my_putunder(alice, str);
}