Add builtins builtin

src/compile.h

@@ -75,6 +75,7 @@ block block_bind_referenced(block binder, block body, int bindflags);
 block block_drop_unreferenced(block body);
 
 jv block_take_imports(block* body);
+jv block_list_funcs(block body, int omit_underscores);
 
 int block_compile(block, struct bytecode**, struct locfile*);