pub type PhidgetSoundSensor_OnSPLChangeCallback = Option<unsafe extern "C" fn(ch: PhidgetSoundSensorHandle, ctx: *mut c_void, dB: f64, dBA: f64, dBC: f64, octaves: *const f64)>;Aliased Type§
pub enum PhidgetSoundSensor_OnSPLChangeCallback {
None,
Some(unsafe extern "C" fn(*mut _PhidgetSoundSensor, *mut c_void, f64, f64, f64, *const f64)),
}