int     my_strlen(char *str);

char    *mymy_revstr(char *str)
{
  int   i;
  char  c;
  int   l;

  i = 0;
  l = my_strlen(str) - 1;
  while (i < (l / 2))
    {
      c = str[i];
      str[i] = str[l - i];
      str[l - i] = c;
      i++;
    }
  return (str);
}

char    *dec2bin(int nb)
{
  char  *res;
  int   i;

  i = 0;
  res = malloc(nb * sizeof(res));
  while (nb)
    {
      res[i] = nb % 2 + 48;
      nb /= 2;
      i++;
    }
  //  res[i] = '\0';                                               
  return ((res));
}

int     main(int argc, char **argv)
{
  //  my_putstr(dec2bin(my_getnbr(argv[1])));                      
  my_putstr(mymy_revstr("uosib"));
}