-bool ValidateWindowsDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data);
+CoreExport bool ValidateWindowsDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data);
+
+CoreExport bool initwmi();
+CoreExport void donewmi();
+CoreExport int getcpu();
+
+CoreExport void usleep(unsigned long usecs);