1 files changed, 2 insertions, 4 deletions
diff --git a/sets.h b/sets.h
index 937f867..59768f0 100644
--- a/sets.h
+++ b/sets.h
@@ -26,7 +26,7 @@ struct set_elt {
     struct set_elt *next;
 };
 struct set {
-    set_elt *first, *last;
+    struct set_elt *first, *last;
 };
 
 typedef struct set *set;
@@ -34,9 +34,7 @@ typedef struct set *set;
 
 #ifdef TREAPS
 // TODO
-#define main 0
-struct set;
-typedef struct set set;
+typedef void* set;
 #endif