diff --git a/form/fld_ftchoice.c b/form/fld_ftchoice.c
index 0901306..dfaca14 100644
--- a/form/fld_ftchoice.c
+++ b/form/fld_ftchoice.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2012 Free Software Foundation, Inc.              *
+ * Copyright 2018-2020,2021 Thomas E. Dickey                                *
+ * Copyright 1998-2012,2016 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -32,10 +33,10 @@
 
 #include "form.priv.h"
 
-MODULE_ID("$Id: fld_ftchoice.c,v 1.13 2012/06/10 00:27:49 tom Exp $")
+MODULE_ID("$Id: fld_ftchoice.c,v 1.18 2021/06/17 21:26:02 tom Exp $")
 
 /*---------------------------------------------------------------------------
-|   Facility      :  libnform  
+|   Facility      :  libnform
 |   Function      :  int set_fieldtype_choice(
 |                          FIELDTYPE *typ,
 |                          bool (* const next_choice)(FIELD *,const void *),
@@ -46,12 +47,17 @@
 |   Return Values :  E_OK           - success
 |                    E_BAD_ARGUMENT - invalid arguments
 +--------------------------------------------------------------------------*/
-NCURSES_EXPORT(int)
+FORM_EXPORT(int)
 set_fieldtype_choice(FIELDTYPE *typ,
 		     bool (*const next_choice) (FIELD *, const void *),
 		     bool (*const prev_choice) (FIELD *, const void *))
 {
-  T((T_CALLED("set_fieldtype_choice(%p,%p,%p)"), (void *)typ, next_choice, prev_choice));
+  TR_FUNC_BFR(2);
+
+  T((T_CALLED("set_fieldtype_choice(%p,%s,%s)"),
+     (void *)typ,
+     TR_FUNC_ARG(0, next_choice),
+     TR_FUNC_ARG(1, prev_choice)));
 
   if (!typ || !next_choice || !prev_choice)
     RETURN(E_BAD_ARGUMENT);