/* For bt_event, bt_event_header_field, bt_event_class, bt_field, bt_packet */
#include <babeltrace/types.h>
+/* For enum bt_event_status */
+#include <babeltrace/trace-ir/event-const.h>
+
#ifdef __cplusplus
extern "C" {
#endif
extern bt_field *bt_event_borrow_header_field(bt_event *event);
-extern int bt_event_move_header_field(bt_event *event,
+extern enum bt_event_status bt_event_move_header_field(bt_event *event,
bt_event_header_field *header);
extern bt_field *