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-rw-r--r--gc.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/gc.h b/gc.h
index d2fa038d..c5063fa3 100644
--- a/gc.h
+++ b/gc.h
@@ -36,3 +36,5 @@ int gc_is_reachable(val);
void unmark(void);
void gc_hint_func(val *);
#define gc_hint(var) gc_hint_func(&var)
+#define REACHABLE 0x100
+#define FREE 0x200