ALLEGRO_JOYFLAGS(3) Library Functions Manual ALLEGRO_JOYFLAGS(3)

ALLEGRO_JOYFLAGS - Allegro 5 API

#include <allegro5/allegro.h>
enum ALLEGRO_JOYFLAGS

ALLEGRO_JOYFLAG_DIGITAL - the stick provides digital input
ALLEGRO_JOYFLAG_ANALOGUE - the stick provides analogue input

al_get_joystick_stick_flags(3)

Allegro reference manual