Move all the includes one place to the left

builtin.h

@@ -1,9 +1,18 @@
 #ifndef BUILTIN_H
 #define BUILTIN_H
 
-#include "bytecode.h"
 #include "compile.h"
 
 block builtins_bind(block);
 
+
+typedef void (*cfunction_ptr)(jv input[], jv output[]);
+
+struct cfunction {
+  cfunction_ptr fptr;
+  const char* name;
+  int nargs;
+};
+
+
 #endif