DOKK / manpages / debian 10 / allegro5-doc / al_get_display_orientation.3alleg5.en
al_get_display_orientation(3alleg5) al_get_display_orientation(3alleg5)

al_get_display_orientation - Allegro 5 API

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

Return the display orientation, which can be one of the following:

ALLEGRO_DISPLAY_ORIENTATION_UNKNOWN
ALLEGRO_DISPLAY_ORIENTATION_0_DEGREES
ALLEGRO_DISPLAY_ORIENTATION_90_DEGREES
ALLEGRO_DISPLAY_ORIENTATION_180_DEGREES
ALLEGRO_DISPLAY_ORIENTATION_270_DEGREES
ALLEGRO_DISPLAY_ORIENTATION_FACE_UP
ALLEGRO_DISPLAY_ORIENTATION_FACE_DOWN

5.1.0

Allegro reference manual