Type Alias snd_async_callback_t 

pub type snd_async_callback_t = Option<unsafe extern "C" fn(handler: *mut snd_async_handler_t)>;

Aliased Type

pub enum snd_async_callback_t {
    None,
    Some(unsafe extern "C" fn(*mut _snd_async_handler)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut _snd_async_handler))

Some value of type T.