al_init (3alleg5)

• #include <allegro5/allegro.h>
  
  #define al_init()    (al_install_system(ALLEGRO_VERSION_INT, atexit))
  
  

Like al_install_system(3alleg5), but automatically passes in the version and uses the atexit function visible in the current compilation unit.

al_install_system(3alleg5)