add cfunc type and rudimentary stdlib

1 files changed, 2 insertions, 0 deletions

diff --git a/util.h b/util.h
index b0f2658..7cbfa44 100644
--- a/util.h
+++ b/util.h
@@ -1,6 +1,8 @@
 #ifndef _util_h
 #define _util_h
 
+#include <stdio.h>
+
 #define CHECK(cond, ...) do { if (!(cond)) { fprintf(stderr, __VA_ARGS__); exit(1); } } while(0)
 #define ERROR(...) CHECK(false, __VA_ARGS__)