다음과같은 오류가 나는데요.
몇시간을 붙잡고 늘어져도 이유를 모르겠습니다.
어떻게 잘못되었는지 가르쳐주시면 감사하겠습니다

C:\ex\cpp>bcc32 main.cpp
Borland C++ 5.6 for Win32 Copyright (c) 1993, 2002 Borland
main.cpp:
Error E2316 DoubleLinkedList.h 56: 'DoubleLinkedList<T>::Entry<T>::Entry()' is n
ot a member of 'DoubleLinkedList<T>::Entry<T>'
Error E2316 DoubleLinkedList.h 60: 'DoubleLinkedList<T>::Entry<T>::Entry(const T
&)' is not a member of 'DoubleLinkedList<T>::Entry<T>'
Error E2316 DoubleLinkedList.h 66: 'DoubleLinkedList<T>::Entry<T>::~Entry()' is
not a member of 'DoubleLinkedList<T>::Entry<T>'
Error E2040 DoubleLinkedList.h 257: Declaration terminated incorrectly
*** 4 errors in Compile ***