XGetScreenSaver(display, timeout_return, interval_return, prefer_blanking_return, 
                  allow_exposures_return)
      Display *display;
      int *timeout_return, *interval_return;
      int *prefer_blanking_return;
      int *allow_exposures_return;
| display | Specifies the connection to the X server. | 
| timeout_return | Returns the timeout, in seconds, until the screen saver turns on. | 
| interval_return | Returns the interval between screen saver invocations. | 
| prefer_blanking_return | Returns the current screen blanking preference (DontPreferBlanking, PreferBlanking, or DefaultBlanking). | 
| allow_exposures_return | Returns the current screen save control value (DontAllowExposures, AllowExposures, or DefaultExposures). |