int llog_cat_id2handle(struct llog_handle *cathandle, struct llog_handle **res,
struct llog_logid *logid);
int class_config_dump_handler(struct llog_handle * handle,
int llog_cat_id2handle(struct llog_handle *cathandle, struct llog_handle **res,
struct llog_logid *logid);
int class_config_dump_handler(struct llog_handle * handle,