diff --git a/Makefile b/Makefile
index 5ab790e..65ef15c 100644
--- a/Makefile
+++ b/Makefile
@@ -45,13 +45,27 @@ SRC			= ft_isalpha.c \
 			  ft_putendl_fd.c \
 			  ft_putnbr_fd.c
 
-OBJ_DIR		= objs
+BONUS_SRC	= ft_lstnew.c \
+			  ft_lstadd_front.c \
+			  ft_lstsize.c \
+			  ft_lstlast.c \
+			  ft_lstadd_back.c \
+			  ft_lstdelone.c \
+			  ft_lstclear.c \
+			  ft_lstiter.c \
+			  ft_lstmap.c
 
-OBJ			= $(patsubst %, $(OBJ_DIR)/%o, $(SRC:.c=.))
+OBJ			= $(SRC:.c=.o)
+
+BONUS_OBJ	= $(BONUS_SRC:.c=.o)
 
 
 all: 		$(NAME)
 
+bonus:		$(OBJ) $(BONUS_OBJ)
+			$(AR) $(ARFLAGS) $(NAME) $(OBJ) $(BONUS_OBJ)
+			ranlib $(NAME)
+
 $(NAME):	$(OBJ)
 			$(AR) $(ARFLAGS) $(NAME) $(OBJ)
 			ranlib $(NAME)
diff --git a/ft_atoi.c b/ft_atoi.c
index 964f855..f083941 100644
--- a/ft_atoi.c
+++ b/ft_atoi.c
@@ -6,7 +6,7 @@
 /*   By: dgaillet <dgaillet@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/11/05 19:07:51 by dgaillet          #+#    #+#             */
-/*   Updated: 2025/11/05 20:53:10 by dgaillet         ###   ########lyon.fr   */
+/*   Updated: 2025/11/09 17:34:56 by dgaillet         ###   ########lyon.fr   */
 /*                                                                            */
 /* ************************************************************************** */
 
diff --git a/ft_itoa.c b/ft_itoa.c
index 0c1416c..c790793 100644
--- a/ft_itoa.c
+++ b/ft_itoa.c
@@ -6,13 +6,13 @@
 /*   By: dgaillet <dgaillet@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/11/07 13:06:35 by dgaillet          #+#    #+#             */
-/*   Updated: 2025/11/07 13:52:20 by dgaillet         ###   ########lyon.fr   */
+/*   Updated: 2025/11/09 18:47:18 by dgaillet         ###   ########lyon.fr   */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "libft.h"
 
-size_t	malloc_size(int n)
+static size_t	count_digits(int n)
 {
 	size_t	size;
 
@@ -27,49 +27,51 @@ size_t	malloc_size(int n)
 	return (size);
 }
 
-void	insert_char(char *str, unsigned int nbr, int index)
+static void	insert_char(char *str, unsigned int nbr, size_t index)
 {
-	if (!index)
-		return ;
-	str[index] = (nbr % 10) + '0';
-	insert_char(str, nbr / 10, index - 1);
+	while (nbr)
+	{
+		str[index--] = nbr % 10 + '0';
+		nbr /= 10;
+	}
 }
 
 char	*ft_itoa(int n)
 {
 	unsigned int	nbr;
 	char			*str;
+	size_t			size;
 
 	nbr = n;
 	if (n < 0)
 		nbr = n * -1;
-	str = malloc(sizeof(char) * (malloc_size(n) + 1));
+	size = count_digits(n);
+	str = malloc(sizeof(char) * (size + 1));
 	if (!str)
 		return (NULL);
+	str[size] = '\0';
 	if (nbr == 0)
 		str[0] = '0';
 	else
 	{
 		if (n < 0)
-		{
 			str[0] = '-';
-		}
-		insert_char(str, nbr, malloc_size(n) - 1);
+		insert_char(str, nbr, size - 1);
 	}
-	str[malloc_size(n)] = '\0';
 	return (str);
 }
-
-#include "stdio.h"
-
+/*
 int	main(int argc, char **argv)
 {
 	char	*str;
 
 	if (argc > 1)
 	{
-		str = ft_itoa(atoi(argv[1]));
-		printf("%s\n", str);
+		str = ft_itoa(42);
+		if (!str)
+			return (1);
+		ft_putstr_fd(str, 1);
 		free(str);
 	}
 }
+*/
diff --git a/ft_memset.c b/ft_memset.c
index ee59ed0..b433690 100644
--- a/ft_memset.c
+++ b/ft_memset.c
@@ -6,7 +6,7 @@
 /*   By: dgaillet <dgaillet@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/11/05 11:20:47 by dgaillet          #+#    #+#             */
-/*   Updated: 2025/11/05 11:44:56 by dgaillet         ###   ########lyon.fr   */
+/*   Updated: 2025/11/09 19:08:42 by dgaillet         ###   ########lyon.fr   */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,9 +14,13 @@
 
 void	*ft_memset(void *s, int c, size_t n)
 {
-	if (n <= 0)
-		return (s);
-	*((char *) s) = c;
-	ft_memset(s + 1, c, n - 1);
+	size_t	i;
+
+	i = 0;
+	while (i < n)
+	{
+		((unsigned char *) s)[i] = c;
+		i++;
+	}
 	return (s);
 }
diff --git a/libft.h b/libft.h
index 8085d6a..25c4bdc 100644
--- a/libft.h
+++ b/libft.h
@@ -6,7 +6,7 @@
 /*   By: dgaillet <dgaillet@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/11/05 09:49:43 by dgaillet          #+#    #+#             */
-/*   Updated: 2025/11/08 17:56:20 by dgaillet         ###   ########lyon.fr   */
+/*   Updated: 2025/11/09 16:07:05 by dgaillet         ###   ########lyon.fr   */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -15,6 +15,12 @@
 
 # include <stdlib.h>
 
+typedef struct s_list
+{
+	void			*content;
+	struct s_list	*next;
+}	t_list;
+
 int		ft_isalpha(int c);
 int		ft_isdigit(int c);
 int		ft_isalnum(int c);
@@ -49,5 +55,14 @@ void	ft_putchar_fd(char c, int fd);
 void	ft_putstr_fd(char *s, int fd);
 void	ft_putendl_fd(char *s, int fd);
 void	ft_putnbr_fd(int n, int fd);
+t_list	*ft_lstnew(void	*content);
+void	ft_lstadd_front(t_list **lst, t_list *new);
+int		ft_lstsize(t_list *lst);
+t_list	*ft_lstlast(t_list *lst);
+void	ft_lstadd_back(t_list **lst, t_list *new);
+void	ft_lstdelone(t_list *lst, void (*del)(void *));
+void	ft_lstclear(t_list **lst, void (*del)(void *));
+void	ft_lstiter(t_list *lst, void (*f)(void *));
+t_list	*ft_lstmap(t_list *lst, void *(*f)(void *), void (*del)(void *));
 
 #endif