sleep (2);
mutt_sleep (2);
int pop_open_connection (POP_DATA *pop_data){  int ret;  char buf[LONG_STRING];  ret = pop_connect (pop_data);  if (ret < 0)  {    sleep (2);    return ret;  }  ret = pop_capabilities (pop_data);  if (ret == -1)    goto err_conn;  if (ret == -2)  {    sleep (2);    return -2;  }  ret = pop_authenticate (pop_data);  if (ret == -1)    goto err_conn;  if (ret != 0)    return ret;  /* get total size of mailbox */  strfcpy (buf, "STAT\r\n", sizeof (buf));  ret = pop_query (pop_data, buf, sizeof (buf));  if (ret == -1)    goto err_conn;  if (ret == -2)  {    mutt_error ("%s", pop_data->err_msg);    sleep (2);    return ret;  }  sscanf (buf, "+OK %d %d", &ret, &pop_data->size);  return 0;err_conn:  pop_data->status = POP_DISCONNECTED;  mutt_error _("Server closed connection!");  sleep (2);  return -1;}