pub type LPALSOURCE3F = Option<unsafe extern "C" fn(source: ALuint, param: ALenum, value1: ALfloat, value2: ALfloat, value3: ALfloat)>;Aliased Type§
enum LPALSOURCE3F {
None,
Some(unsafe extern "C" fn(_: u32, _: i32, _: f32, _: f32, _: f32)),
}