一个关于VC++调用C程序的链接有关问题

一个关于VC++调用C程序的链接问题
我在VC++2008中调用了C项目的程序,链接时出现如下问题:
1>Linking...
1>majordomo_client.obj : error LNK2019: unresolved external symbol _zclock_log referenced in function _s_mdcli_connect_to_broker
1>majordomo_client.obj : error LNK2019: unresolved external symbol _zsocket_new referenced in function _s_mdcli_connect_to_broker
1>majordomo_client.obj : error LNK2019: unresolved external symbol _zsocket_destroy referenced in function _s_mdcli_connect_to_broker
1>majordomo_client.obj : error LNK2019: unresolved external symbol _zctx_new referenced in function _mdcli_new
1>majordomo_client.obj : error LNK2019: unresolved external symbol _zctx_destroy referenced in function _mdcli_destroy
1>majordomo_client.obj : error LNK2019: unresolved external symbol _zmsg_destroy referenced in function _mdcli_send
1>majordomo_client.obj : error LNK2019: unresolved external symbol _zframe_destroy referenced in function _mdcli_send
1>majordomo_client.obj : error LNK2019: unresolved external symbol _zframe_streq referenced in function _mdcli_send
1>majordomo_client.obj : error LNK2019: unresolved external symbol _zmsg_pop referenced in function _mdcli_send
1>majordomo_client.obj : error LNK2019: unresolved external symbol _zmsg_size referenced in function _mdcli_send
1>majordomo_client.obj : error LNK2019: unresolved external symbol _zmsg_recv referenced in function _mdcli_send
1>majordomo_client.obj : error LNK2019: unresolved external symbol _zmsg_send referenced in function _mdcli_send
1>majordomo_client.obj : error LNK2019: unresolved external symbol _zmsg_dup referenced in function _mdcli_send
1>majordomo_client.obj : error LNK2001: unresolved external symbol _zctx_interrupted
1>majordomo_client.obj : error LNK2019: unresolved external symbol _zmsg_dump referenced in function _mdcli_send
1>majordomo_client.obj : error LNK2019: unresolved external symbol _zmsg_pushstr referenced in function _mdcli_send

我在网上找了一些解决办法都没能起作用,望个位大侠指教!

------解决方案--------------------
应该是没一起编译,只是.h文件有
------解决方案--------------------
.C文件拉进工程一起编译
------解决方案--------------------
C项目的函数就更好办了,添加一个类,把这些函数都放这类里,一个项目一样的。
------解决方案--------------------
探讨

除了这个方法还有别的方法没呢,类学的不好,不想用。可不可以直接调用,就像在C中调用一样?