.TH "al_is_joystick_installed(3alleg5) Allegro reference manual" "" "" "" "" .SH NAME .PP al_is_joystick_installed \- Allegro 5 API .SH SYNOPSIS .IP .nf \f[C] #include\ bool\ al_is_joystick_installed(void) \f[] .fi .SH DESCRIPTION .PP Returns true if al_install_joystick(3alleg5) was called successfully.