diff --git a/functions.h b/functions.h
--- a/functions.h
+++ b/functions.h
@@ -266,4 +266,7 @@ void DeterminePaths(void);
 char * CDECL str_fmt(const char *str, ...);
 
 void bubblesort(void *base, size_t nmemb, size_t size, int(*compar)(const void *, const void *));
+bool CreateOTTDThread(void *func, void *param);
+void CloseOTTDThread(void);
+void JoinOTTDThread(void);
 #endif /* FUNCTIONS_H */