DDK编译时的错误，哪位高人帮帮我吧

1>miniport.obj : error LNK2019: unresolved external symbol _UTIL_MatchRule@8 referenced in function _TCWallSendPackets@12
1>protocol.obj : error LNK2001: unresolved external symbol _UTIL_MatchRule@8
1>miniport.obj : error LNK2019: unresolved external symbol _CopyPacket2Buffer@12 referenced in function _TCWallSendPackets@12
1>protocol.obj : error LNK2001: unresolved external symbol _CopyPacket2Buffer@12
1>objchk_wxp_x86\i386\TCWall.sys : fatal error LNK1120: 2 unresolved externals
这就是编译时的问题  先谢谢了！！！