al_install_joystick - Man Page

#include <allegro5/allegro.h>

bool al_install_joystick(void)

Install a joystick driver, returning true if successful. If a joystick driver was already installed, returns true immediately.

al_uninstall_joystick(3)

al_is_joystick_installed(3), al_uninstall_joystick(3).