al_get_new_display_option - Allegro 5 API

       Retrieve an extra display setting which was previously set with al_set_new_display_option(3alleg5).

Allegro reference manual                                                      al_get_new_display_option(3alleg5)

       al_get_new_display_option - Allegro 5 API

              #include <allegro5/allegro.h>

              int al_get_new_display_option(int option, int *importance)