Function alsa_sys::snd_pcm_hw_params_get_period_wakeup

pub unsafe extern "C" fn snd_pcm_hw_params_get_period_wakeup(
    pcm: *mut snd_pcm_t, 
    params: *mut snd_pcm_hw_params_t, 
    val: *mut c_uint
) -> c_int