al_inhibit_screensaver - Allegro 5 API

       This  function  allows  the  user  to  stop the system screensaver from starting up if true is passed, or
       resets the system back to the default state (the state at program start) if false is passed.  It  returns
       true if the state was set successfully, otherwise false.

Allegro reference manual                                                         al_inhibit_screensaver(3alleg5)

       al_inhibit_screensaver - Allegro 5 API

              #include <allegro5/allegro.h>

              bool al_inhibit_screensaver(bool inhibit)