1 files changed, 1 insertions, 0 deletions
diff --git a/src/json.h b/src/json.h
index 8e4a169..f5ca92c 100644
--- a/src/json.h
+++ b/src/json.h
@@ -51,6 +51,7 @@ struct json_format
 int json_value_format(struct json_value *obj, struct json_format *fmt,
 		       size_t level);
 void json_value_free(struct json_value *);
+int json_value_copy(struct json_value *val, struct json_value **new_val);
 
 void *json_2nrealloc(void *p, size_t *pn, size_t s);