请问怎么样解决 error

HJKMCS

CORE_NETWORK.OBJ : error LNK2001: unresolved external symbol _inet_ntoa@4
CORE_NETWORK.OBJ : error LNK2001: unresolved external symbol _WSACleanup@0
CORE_NETWORK.OBJ : error LNK2001: unresolved external symbol _gethostbyname@4
CORE_NETWORK.OBJ : error LNK2001: unresolved external symbol _gethostname@8
CORE_NETWORK.OBJ : error LNK2001: unresolved external symbol _WSAStartup@8
CORE_SOUND.OBJ : error LNK2001: unresolved external symbol _DirectSoundCreate8@12
CORE_SOUND.OBJ : error LNK2001: unresolved external symbol _IID_IMediaEvent
CORE_SOUND.OBJ : error LNK2001: unresolved external symbol _IID_IMediaControl
CORE_SOUND.OBJ : error LNK2001: unresolved external symbol _CLSID_FilterGraph
CORE_SOUND.OBJ : error LNK2001: unresolved external symbol _IID_IGraphBuilder
请问怎么样解决