diff --git a/openaes/src/ftime.h b/openaes/src/ftime.h
index 963d7c1..80fbab7 100644
--- a/openaes/src/ftime.h
+++ b/openaes/src/ftime.h
@@ -33,3 +33,5 @@
   short           timezone;
   short           dstflag;
 };
+
+int ftime(struct timeb* tb);