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-rw-r--r--sys/sys/cdefs.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/sys/sys/cdefs.h b/sys/sys/cdefs.h
index 9ce51a8..76926c3 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_ */
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