al_get_joystick_axis_name - Allegro 5 API

       Return the name of the given axis.  If the axis doesn’t exist, NULL is returned.  Indices begin from 0.

       al_get_joystick_axis_name - Allegro 5 API

al_get_joystick_stick_name(3alleg5), al_get_joystick_num_axes(3alleg5)

Allegro reference manual                                                      al_get_joystick_axis_name(3alleg5)

              #include <allegro5/allegro.h>

              const char *al_get_joystick_axis_name(ALLEGRO_JOYSTICK *joy, int stick, int axis)