private static extern RESULT FMOD_Sound_GetOpenState(IntPtr sound, ref OPENSTATE openstate, ref uint percentbuffered, ref int starving);

        public RESULT getOpenState(ref OPENSTATE openstate, ref uint percentbuffered, ref bool starving)
        {
            RESULT result;
            int s = 0;

            result = FMOD_Sound_GetOpenState(soundraw, ref openstate, ref percentbuffered, ref s);

            starving = (s != 0);

            return result;
        }

 public RESULT getOpenState            (out OPENSTATE openstate, out uint percentbuffered, out bool starving, out bool diskbusy)
 {
     return FMOD_Sound_GetOpenState(rawPtr, out openstate, out percentbuffered, out starving, out diskbusy);
 }

 private static extern RESULT FMOD_Sound_GetOpenState            (IntPtr sound, out OPENSTATE openstate, out uint percentbuffered, out bool starving, out bool diskbusy);

 public RESULT getOpenState(ref OPENSTATE openstate, ref uint percentbuffered, ref bool starving)
 {
     return FMOD_Sound_GetOpenState(soundraw, ref openstate, ref percentbuffered, ref starving);
 }