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Diffstat (limited to 'usr/src/uts/common/sys/sysmacros.h')
-rw-r--r--usr/src/uts/common/sys/sysmacros.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/usr/src/uts/common/sys/sysmacros.h b/usr/src/uts/common/sys/sysmacros.h
index 5dc6eee0ec..1540840aff 100644
--- a/usr/src/uts/common/sys/sysmacros.h
+++ b/usr/src/uts/common/sys/sysmacros.h
@@ -66,6 +66,10 @@ extern "C" {
#define SIGNOF(a) ((a) < 0 ? -1 : (a) > 0)
#endif
+#ifndef __DECONST
+#define __DECONST(type, var) ((type)(uintptr_t)(const void *)(var))
+#endif
+
#ifdef _KERNEL
/*