snd_hctl_elem_callback_t typedef
snd_hctl_elem_callback_t = Pointer<NativeFunction<Int Function(Pointer<snd_hctl_elem_t> , UnsignedInt)> >
Implementation
typedef snd_hctl_elem_callback_t = ffi.Pointer<
ffi.NativeFunction<
ffi.Int Function(ffi.Pointer<snd_hctl_elem_t>, ffi.UnsignedInt)>>;