alsa_sys::snd_pcm_hook_add

pub unsafe extern fn snd_pcm_hook_add(hookp: *mut *mut snd_pcm_hook_t, pcm: *mut snd_pcm_t, _type: snd_pcm_hook_type_t, func: snd_pcm_hook_func_t, private_data: *mut c_void) -> c_int