diff --git a/usr.bin/tr/tr.c b/usr.bin/tr/tr.c
index be8598a..611ca22 100644
--- a/usr.bin/tr/tr.c
+++ b/usr.bin/tr/tr.c
@@ -40,7 +40,7 @@
  *
  * Added prototyped headers, surrounded by #ifndef __STDC__
  *
- * $Id: tr.c,v 1.2 1997/09/24 06:23:13 gdr Exp $
+ * $Id: tr.c,v 1.3 1997/10/03 04:15:03 gdr Exp $
  */
 
 
@@ -112,10 +112,9 @@ static void usage __P((void));
 
 /* Interface to check on how much stack space a C program uses. */
 #if defined(__GNO__)  &&  defined(__STACK_CHECK__)
-#ifndef _STDLIB_H_
-#include <stdlib.h>
-#endif
+#ifndef _GNO_GNO_H_
 #include <gno/gno.h>
+#endif
 static void report_stack(void)
 {
 	fprintf(stderr,"\n ==> %d stack bytes used <== \n", _endStackCheck());
@@ -331,6 +330,11 @@ usage(void)
 #include <varargs.h>
 #endif
 
+#ifdef __ORCAC__
+/* ORCA/C cannot handle debugging with variable args */
+#pragma debug 0
+#endif
+
 void
 #if __STDC__
 err(const char *fmt, ...)