System.Net.Sockets.SocketPal.GetAvailable C# (CSharp) Метод

        public static unsafe SocketError GetAvailable(SafeCloseSocket handle, out int available)
        {
            int value = 0;
            Interop.Error err = Interop.Sys.GetBytesAvailable(handle, &value);
            available = value;

            return err == Interop.Error.SUCCESS ? SocketError.Success : GetSocketErrorForErrorCode(err);
        }