diff --git a/src/db/dbConvertFast.h b/src/db/dbConvertFast.h
new file mode 100644
index 000000000..18131056c
--- /dev/null
+++ b/src/db/dbConvertFast.h
@@ -0,0 +1,23 @@
+/* dbConvertFast.h */
+
+/*****************************************************************
+                          COPYRIGHT NOTIFICATION
+*****************************************************************
+
+(C)  COPYRIGHT 1993 UNIVERSITY OF CHICAGO
+
+This software was developed under a United States Government license
+described on the COPYRIGHT_UniversityOfChicago file included as part
+of this distribution.
+**********************************************************************/
+
+#ifndef INCdbConvertFasth
+#define INCdbConvertFasth
+
+#include "shareLib.h"
+#include "dbFldTypes.h"
+
+epicsShareExtern long (*dbFastGetConvertRoutine[DBF_DEVICE+1][DBR_ENUM+1])();
+epicsShareExtern long (*dbFastPutConvertRoutine[DBR_ENUM+1][DBF_DEVICE+1])();
+
+#endif /*INCdbConvertFasth*/