al_get_new_display_adapter - Man Page
Allegro 5 API
Synopsis
#include <allegro5/allegro.h> int al_get_new_display_adapter(void)
Description
Gets the video adapter index where new displays will be created by the calling thread, if previously set with al_set_new_display_adapter(3). Otherwise returns ALLEGRO_DEFAULT_DISPLAY_ADAPTER.
See Also
Info
Allegro reference manual