1 files changed, 2 insertions, 0 deletions
diff --git a/grammar.h b/grammar.h
index a7eedc4..6822c24 100644
--- a/grammar.h
+++ b/grammar.h
@@ -15,6 +15,8 @@ __attribute__((nonnull(2)))
 def_t *load_grammar(def_t *defs, file_t *f);
 __attribute__((pure, nonnull(2)))
 vm_op_t *lookup(def_t *defs, const char *name);
+__attribute__((nonnull(1)))
+void free_defs(def_t **defs, def_t *stop);
 
 #endif
 // vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1