oprations done

stack/ft_stacklast.c

@@ -6,7 +6,7 @@
 /*   By: adjoly <adjoly@student.42angouleme.fr>     +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/02/06 10:18:01 by adjoly            #+#    #+#             */
-/*   Updated: 2024/02/08 16:24:36 by adjoly           ###   ########.fr       */
+/*   Updated: 2024/02/13 13:40:36 by adjoly           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -25,3 +25,16 @@ t_stack *ft_stacklast(t_stack *stack)
 
 }
 
+t_stack *ft_stackbeforelast(t_stack *stack)
+{
+	t_stack	*tmp;
+
+	if (!stack)
+		return (NULL);
+	tmp = stack;
+	while (tmp && tmp->next && tmp->next->next)
+		tmp = tmp->next;
+	return (tmp);
+
+}
+