pub type LPALGETAUXILIARYEFFECTSLOTI = Option<unsafe extern "C" fn(arg1: ALuint, arg2: ALenum, arg3: *mut ALint)>;
enum LPALGETAUXILIARYEFFECTSLOTI { None, Some(unsafe extern "C" fn(_: u32, _: i32, _: *mut i32)), }
No value.
Some value of type T.
T