--- ray/src/common/rtio.h	2016/08/18 00:52:48	3.13
+++ ray/src/common/rtio.h	2016/12/13 18:38:35	3.14
@@ -1,4 +1,4 @@
-/* RCSid $Id: rtio.h,v 3.13 2016/08/18 00:52:48 greg Exp $ */
+/* RCSid $Id: rtio.h,v 3.14 2016/12/13 18:38:35 greg Exp $ */
 /*
  *	Radiance i/o and string routines
  */
@@ -24,6 +24,7 @@ extern "C" {
 					/* defined in badarg.c */
 extern int	badarg(int ac, char **av, char *fl);
 					/* defined in expandarg.c */
+extern int	envexpchr, filexpchr;
 extern int	expandarg(int *acp, char ***avp, int n);
 					/* defined in fdate.c */
 extern time_t	fdate(char *fname);