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-rw-r--r--include/sys/cdefs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sys/cdefs.h b/include/sys/cdefs.h
index cd490d6b..bbb12fb2 100644
--- a/include/sys/cdefs.h
+++ b/include/sys/cdefs.h
@@ -22,6 +22,7 @@
#define __nodiscard __attribute__((__warn_unused_result__))
#define __weak __attribute__((__weak__))
#define __naked __attribute__((__naked__))
+#define __const __attribute__((__const__))
#define __predict_true(exp) __builtin_expect((exp) != 0, 1)
#define __predict_false(exp) __builtin_expect((exp) != 0, 0)