--- ray/src/common/words.c	2003/03/10 17:26:26	2.7
+++ ray/src/common/words.c	2004/09/28 17:54:18	2.9
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id";
+static const char RCSid[] = "$Id: words.c,v 2.9 2004/09/28 17:54:18 greg Exp $";
 #endif
 /*
  * Routines for recognizing and moving about words in strings.
@@ -12,6 +12,7 @@ static const char RCSid[] = "$Id";
 #include  <ctype.h>
 #include  <string.h>
 
+#include  "rtio.h"
 
 char *
 atos(rs, nb, s)			/* get word from string, returning rs */