snd_mixer_callback_t typedef
snd_mixer_callback_t = Pointer<NativeFunction<Int Function(Pointer<snd_mixer_t> ctl, UnsignedInt mask, Pointer<snd_mixer_elem_t> elem)> >
Implementation
typedef snd_mixer_callback_t = ffi.Pointer<
ffi.NativeFunction<
ffi.Int Function(ffi.Pointer<snd_mixer_t> ctl, ffi.UnsignedInt mask,
ffi.Pointer<snd_mixer_elem_t> elem)>>;