Lucent RTP库的编译问题
从网上下载了RTP库rtplib-1.0a1,其中提供了两个文件example1.cpp和example2.cpp,分别实现发送和接收。
我试着在VC6下编译example1.cpp,结果出现如下的一串错误。其中的RTPDestroy、RTPCloseConnection等都是库中定义的函数,
不知为什么会出现unresolved external symbol 这样的错误?应该不是代码本身的问题,可能是VC编译时有什么没设置好,
请知道的给指条明路。
example1.obj : error LNK2001: unresolved external symbol _RTPDestroy
example1.obj : error LNK2001: unresolved external symbol _RTPCloseConnection
example1.obj : error LNK2001: unresolved external symbol _RTPExecute
example1.obj : error LNK2001: unresolved external symbol _RTPReceive
example1.obj : error LNK2001: unresolved external symbol _RTPStrError
example1.obj : error LNK2001: unresolved external symbol _RTPSend
example1.obj : error LNK2001: unresolved external symbol _gettimeofday
example1.obj : error LNK2001: unresolved external symbol _RTPSessionGetRTCPSocket
example1.obj : error LNK2001: unresolved external symbol _RTPSessionGetRTPSocket
example1.obj : error LNK2001: unresolved external symbol _RTPOpenConnection
example1.obj : error LNK2001: unresolved external symbol _RTPSessionGetUniqueIDForCSRC
example1.obj : error LNK2001: unresolved external symbol _RTPDebugStr
example1.obj : error LNK2001: unresolved external symbol _RTPSessionAddToContributorList
example1.obj : error LNK2001: unresolved external symbol _RTPMemberInfoSetSDES
example1.obj : error LNK2001: unresolved external symbol _RTPSessionSetReceiveAddr
example1.obj : error LNK2001: unresolved external symbol _RTPSessionAddSendAddr
example1.obj : error LNK2001: unresolved external symbol _RTPCreate