使用编译后的exosip/osip库，出现error LNK2001: unresolved external symbol _time64等异常

使用编译后的exosip/osip库，出现error LNK2001: unresolved external symbol __time64等错误
在vs2005上编译生成osip2.dll和eXosip.dll，以及相应lib;拷到vc6下使用，编译一段代码，显示如下错误：
Linking...
LINK   :   warning   LNK4098:   defaultlib   "LIBCMT "   conflicts   with   use   of   other   libs;   use   /NODEFAULTLIB:library
exosip.lib(jnotify.obj)   :   error   LNK2001:   unresolved   external   symbol   __time64
exosip.lib(udp.obj)   :   error   LNK2001:   unresolved   external   symbol   __time64
exosip.lib(eXosip.obj)   :   error   LNK2001:   unresolved   external   symbol   __time64
exosip.lib(jdialog.obj)   :   error   LNK2001:   unresolved   external   symbol   __time64
exosip.lib(eXinsubscription_api.obj)   :   error   LNK2001:   unresolved   external   symbol   __time64
exosip.lib(jpublish.obj)   :   error   LNK2001:   unresolved   external   symbol   __time64
exosip.lib(jresponse.obj)   :   error   LNK2001:   unresolved   external   symbol   _strcpy_s
exosip.lib(eXutils.obj)   :   error   LNK2001:   unresolved   external   symbol   _strcpy_s
exosip.lib(udp.obj)   :   error   LNK2001:   unresolved   external   symbol   _strcpy_s
exosip.lib(eXconf.obj)   :   error   LNK2001:   unresolved   external   symbol   _strcpy_s
exosip.lib(jcallback.obj)   :   error   LNK2001:   unresolved   external   symbol   _strcpy_s
exosip.lib(jrequest.obj)   :   error   LNK2001:   unresolved   external   symbol   _strcpy_s
exosip.lib(eXtransport.obj)   :   error   LNK2001:   unresolved   external   symbol   _strcpy_s
exosip.lib(jresponse.obj)   :   error   LNK2001:   unresolved   external   symbol   _strncpy_s
exosip.lib(eXutils.obj)   :   error   LNK2001:   unresolved   external   symbol   _strncpy_s
exosip.lib(udp.obj)   :   error   LNK2001:   unresolved   external   symbol   _strncpy_s
exosip.lib(eXconf.obj)   :   error   LNK2001:   unresolved   external   symbol   _strncpy_s
exosip.lib(jcallback.obj)   :   error   LNK2001:   unresolved   external   symbol   _strncpy_s
exosip.lib(jrequest.obj)   :   error   LNK2001:   unresolved   external   symbol   _strncpy_s
exosip.lib(eXtransport.obj)   :   error   LNK2001:   unresolved   external   symbol   _strncpy_s
exosip.lib(jresponse.obj)   :   error   LNK2001:   unresolved   external   symbol   _sprintf_s
exosip.lib(eXutils.obj)   :   error   LNK2001:   unresolved   external   symbol   _sprintf_s
exosip.lib(udp.obj)   :   error   LNK2001:   unresolved   external   symbol   _sprintf_s
exosip.lib(eXconf.obj)   :   error   LNK2001:   unresolved   external   symbol   _sprintf_s
exosip.lib(jcallback.obj)   :   error   LNK2001:   unresolved   external   symbol   _sprintf_s
exosip.lib(jrequest.obj)   :   error   LNK2001:   unresolved   external   symbol   _sprintf_s
exosip.lib(eXtransport.obj)   :   error   LNK2001:   unresolved   external   symbol   _sprintf_s
exosip.lib(jresponse.obj)   :   error   LNK2001:   unresolved   external   symbol   _strcat_s