if (r == IMAP_AUTH_UNAVAIL) { mutt_error (_("No authenticators available")); mutt_sleep (1); }
int imap_authenticate (IMAP_DATA* idata){  imap_auth_t* authenticator = imap_authenticators;  int r = -1;  while (*authenticator)  {    if ((r = (*authenticator)(idata)) != IMAP_AUTH_UNAVAIL)      return r;    authenticator++;  }  return r;}