+typedef struct {
+ size_t serial;
+ char key[1];
+} object_key_t;
+
+const object_key_t *jsonp_object_iter_fullkey(void *iter);
+
+void jsonp_error_init(json_error_t *error, const char *source);
+void jsonp_error_set(json_error_t *error, int line, int column,
+ const char *msg, ...);
+