- * \return If \p line_handler is not \p NULL and FELF_READ_ONLY is not set,
- * this function returns the number of bytes not handled to \p line_handler,
- * otherwise number of complete lines. On errors the negative error code of
- * the \p line_handler is returned.
+ * \return If \p FELF_READ_ONLY is not set in \a flags, this function returns
+ * the number of bytes not handled to \p line_handler, otherwise the number of
+ * complete lines. On errors the negative error code of the \p line_handler is
+ * returned.