Type Alias alsa_sys::snd_pcm_hook_func_t

pub type snd_pcm_hook_func_t = Option<unsafe extern "C" fn(hook: *mut snd_pcm_hook_t) -> c_int>;

PCM hook callback function

Aliased Type

enum snd_pcm_hook_func_t {
    None,
    Some(unsafe extern "C" fn(_: *mut _snd_pcm_hook) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut _snd_pcm_hook) -> i32)

Some value of type T.