--- Object.m.FCS	Wed Sep 22 12:03:40 1993
+++ Object.m	Tue Dec 14 09:01:05 1993
@@ -27,7 +27,12 @@
 #include "objc/Protocol.h"
 #include "objc/objc-api.h"
 
+#ifndef VXWORKS
 #include "gstdarg.h"
+#else
+#include <stdarg.h>
+#endif
+
 extern void (*_objc_error)(id object, const char *format, va_list);
 
 extern int errno;
--- objc.h.FCS	Tue Aug 24 04:03:07 1993
+++ objc.h	Tue Dec 14 08:56:37 1993
@@ -39,7 +39,10 @@
 /*
 ** Definition of the boolean type.  
 */
+#ifndef VXWORKS
 typedef char  BOOL;
+#endif
+
 #define YES   (BOOL)1
 #define NO    (BOOL)0
 
--- runtime.h.FCS	Thu May 13 06:34:13 1993
+++ runtime.h	Tue Dec 14 08:35:07 1993
@@ -27,12 +27,21 @@
 #ifndef __objc_runtime_INCLUDE_GNU
 #define __objc_runtime_INCLUDE_GNU
 
+#ifndef VXWORKS
 #include "gstdarg.h"		/* for varargs and va_list's */
+#else
+#include <stdarg.h>
+#endif
 
 #include <stdio.h>
 #include <ctype.h>
 
+#ifndef VXWORKS
 #include "gstddef.h"		/* so noone else will get system versions */
+#else
+#include <stddef.h>
+#endif
+
 #include "assert.h"
 
 #include "objc/objc.h"		/* core data types */