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-rw-r--r--system-clock/include/common.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/system-clock/include/common.h b/system-clock/include/common.h
index f58f179..6fc701c 100644
--- a/system-clock/include/common.h
+++ b/system-clock/include/common.h
@@ -9,5 +9,6 @@
#define bool int
#define PACKED __attribute__((packed))
+#define BIT(n) (1 << (n))
#endif /* COMMON_H */