al_get_joystick_axis_name
const char *al_get_joystick_axis_name(ALLEGRO_JOYSTICK *joy, int stick, int axis)
Return the name of the given axis. If the axis doesn't exist, NULL is returned. Indices begin from 0.
See also: al_get_joystick_stick_name, al_get_joystick_num_axes
Examples: ex_joystick_hotplugging
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