From e05fe2f2533e64a41c2b101187d67652bb19c036 Mon Sep 17 00:00:00 2001
From: billf <billf@FreeBSD.org>
Date: Sat, 10 Mar 2001 12:05:55 +0000
Subject: [PATCH] after discovering that the Santa Clara Valley Medical Center
 actually has a burn unit and is only 8 miles away...

add __DECONST(), __DEVOLATILE(), and __DEQUALIFY()
---
 sys/sys/cdefs.h | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/sys/sys/cdefs.h b/sys/sys/cdefs.h
index 9ce51a800b58..76926c317bff 100644
--- a/sys/sys/cdefs.h
+++ b/sys/sys/cdefs.h
@@ -203,11 +203,23 @@
 #endif
 
 #ifndef	__RCSID_SOURCE
-#define	__RCSID_SOURCE(s) __IDSTRING(rcsid_source,s)
+#define	__RCSID_SOURCE(s)	__IDSTRING(rcsid_source,s)
 #endif
 
 #ifndef	__COPYRIGHT
 #define	__COPYRIGHT(s)	__IDSTRING(copyright,s)
 #endif
 
+#ifndef	__DECONST
+#define	__DECONST(type, var)	((type)(uintptr_t)(const void *)(var))
+#endif
+
+#ifndef	__DEVOLATILE
+#define	__DEVOLATILE(type, var)	((type)(uintptr_t)(volatile void *)(var))
+#endif
+
+#ifndef	__DEQUALIFY
+#define	__DEQUALIFY(type, var)	((type)(uintptr_t)(const volatile void *)(var))
+#endif
+
 #endif /* !_SYS_CDEFS_H_ */