Provided by: allegro5-doc_5.2.3.0-1_all 
NAME
al_get_current_display - Allegro 5 API
SYNOPSIS
#include <allegro5/allegro.h>
ALLEGRO_DISPLAY *al_get_current_display(void)
DESCRIPTION
Return the display that is "current" for the calling thread, or NULL if there is none.
SEE ALSO
al_set_target_bitmap(3alleg5)