+extern int wrap_json_vunpack(struct json_object *object, const char *desc, va_list args);
+extern int wrap_json_unpack(struct json_object *object, const char *desc, ...);
+extern int wrap_json_vcheck(struct json_object *object, const char *desc, va_list args);
+extern int wrap_json_check(struct json_object *object, const char *desc, ...);
+extern int wrap_json_vmatch(struct json_object *object, const char *desc, va_list args);
+extern int wrap_json_match(struct json_object *object, const char *desc, ...);