al_get_display_adapter(3)

NAME
al_get_display_adapter - Allegro 5 API

SYNOPSIS

        #include <allegro5/allegro.h>
        int al_get_display_adapter(ALLEGRO_DISPLAY *display)

DESCRIPTION
Returns which adapter the window is currently placed on. Returns -1 if there was an error in determining the adapter.

SINCE
5.2.10