--- /dev/null
+#include <windows.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+ typedef BYTE lana_number_t;
+
+#define LANA_INVALID 0xff
+
+ int lana_GetNameFromGuid(char *Guid, char **Name);
+
+ lana_number_t lana_FindLanaByName(const char *LanaName);
+
+ lana_number_t lana_FindLoopback(void);
+
+ BOOL lana_IsLoopback(lana_number_t lana);
+
+#ifdef __cplusplus
+}
+#endif