diff --git a/.Makefile.swn b/.Makefile.swn
index f1d6f70..94cb7a0 100644
Binary files a/.Makefile.swn and b/.Makefile.swn differ
diff --git a/srcs/.DS_Store b/srcs/.DS_Store
new file mode 100644
index 0000000..3653929
Binary files /dev/null and b/srcs/.DS_Store differ
diff --git a/srcs/bonus/a.out b/srcs/bonus/a.out
index ce53b7c..dfd0707 100755
Binary files a/srcs/bonus/a.out and b/srcs/bonus/a.out differ
diff --git a/srcs/bonus/ft_dl.c b/srcs/bonus/ft_dl.c
new file mode 100644
index 0000000..ccdd0ef
--- /dev/null
+++ b/srcs/bonus/ft_dl.c
@@ -0,0 +1,99 @@
+
+#include <libc.h>
+
+typedef struct		s_list
+{
+	void			*content;
+	struct s_list	*next;
+}					t_list;
+
+void	*ft_memcpy(void *dst, const void *src, size_t n)
+{
+	size_t	i;
+	char	*ptr;
+	char	*ptr2;
+
+	ptr = (char *)dst;
+	ptr2 = (char *)src;
+	i = -1;
+	while (++i < n)
+		ptr[i] = ptr2[i];
+	return (dst);
+}
+
+t_list	*ft_lstnew(void *content)
+{
+	t_list		*lst;
+
+	if (!(lst = (t_list *)malloc(sizeof(*lst))))
+		return (NULL);
+	if (!content)
+		lst->content = NULL;
+	else
+	{
+		if (!(lst->content = malloc(sizeof(content))))
+			return (NULL);
+		ft_memcpy(lst->content, content, sizeof(content));
+	}
+	lst->next = NULL;
+	return (lst);
+}
+
+void	ft_lstadd_back(t_list **alst, t_list *new)
+{
+	t_list	*tmp;
+
+	if (alst)
+	{
+		tmp = *alst;
+		if (!tmp)
+			*alst = new;
+		else
+		{
+			while (tmp->next)
+				tmp = tmp->next;
+			tmp->next = new;
+		}
+		new->next = NULL;
+	}
+}
+
+
+
+
+//##############################################################################
+
+void	ft_delete(void *element)
+{
+	*(char*)element = '\0';
+}
+
+void	ft_lstdelone(t_list *lst, void (*del)(void *));
+
+int	main(void)
+{
+	t_list	*toto;
+	void	(ft_delete)(void*);
+
+	toto = ft_lstnew("a");
+	toto->next = ft_lstnew("b");
+	toto->next->next = ft_lstnew("c");
+	printf("toto->data          :%c\n",*(char*)(toto->content));
+	printf("toto->nxt->data     :%c\n",*(char*)(toto->next->content));
+	printf("toto->nxt->nxt->data:%c\n",*(char*)(toto->next->next->content));
+	printf("toto->nxt->nxt->nxt :%s\n",(char*)(toto->next->next->next));
+	ft_lstdelone(toto->next, ft_delete);
+	printf("----------------------\n");
+	printf("toto->data          :%c\n",*(char*)(toto->content));
+	printf("toto->nxt->data     :%c\n",*(char*)(toto->next->content));
+	printf("toto->nxt->nxt->data:%c\n",*(char*)(toto->next->next->content));
+	printf("toto->nxt->nxt->nxt :%s\n",(char*)(toto->next->next->next));
+	return (0);
+}
+
+void	ft_lstdelone(t_list *lst, void (*del)(void *))
+{
+	del(lst->content);
+	free(lst);
+	lst = NULL;
+}
diff --git a/srcs/bonus/ft_lstclear.c b/srcs/bonus/ft_lstclear.c
new file mode 100644
index 0000000..f72b4d6
--- /dev/null
+++ b/srcs/bonus/ft_lstclear.c
@@ -0,0 +1,108 @@
+/*
+**	delete and free an element of the list and all the followings
+*/
+
+/*	
+**	#include <libc.h>
+**	
+**	typedef struct		s_list
+**	{
+**		void			*content;
+**		struct s_list	*next;
+**	}					t_list;
+**	
+**	void	*ft_memcpy(void *dst, const void *src, size_t n)
+**	{
+**		size_t	i;
+**		char	*ptr;
+**		char	*ptr2;
+**	
+**		ptr = (char *)dst;
+**		ptr2 = (char *)src;
+**		i = -1;
+**		while (++i < n)
+**			ptr[i] = ptr2[i];
+**		return (dst);
+**	}
+**	
+**	t_list	*ft_lstnew(void *content)
+**	{
+**		t_list		*lst;
+**	
+**		if (!(lst = (t_list *)malloc(sizeof(*lst))))
+**			return (NULL);
+**		if (!content)
+**			lst->content = NULL;
+**		else
+**		{
+**			if (!(lst->content = malloc(sizeof(content))))
+**				return (NULL);
+**			ft_memcpy(lst->content, content, sizeof(content));
+**		}
+**		lst->next = NULL;
+**		return (lst);
+**	}
+**	
+**	void	ft_lstadd_back(t_list **alst, t_list *new)
+**	{
+**		t_list	*tmp;
+**	
+**		if (alst)
+**		{
+**			tmp = *alst;
+**			if (!tmp)
+**				*alst = new;
+**			else
+**			{
+**				while (tmp->next)
+**					tmp = tmp->next;
+**				tmp->next = new;
+**			}
+**			new->next = NULL;
+**		}
+**	}
+**	
+**	void	ft_delete(void *element)
+**	{
+**		*(char*)element = '\0';
+**	}
+**	
+**	void	ft_lstdelone(t_list *lst, void (*del)(void *))
+**	{
+**		del(lst->content);
+**		free(lst);
+**		lst = NULL;
+**	}
+**	
+**	void	ft_lstclear(t_list **lst, void (*del)(void *));
+**	
+**	int	main(void)
+**	{
+**		t_list	*toto;
+**		void	(ft_delete)(void*);
+**	
+**		toto = ft_lstnew("a");
+**		toto->next = ft_lstnew("b");
+**		toto->next->next = ft_lstnew("c");
+**		printf("toto->data          :%c\n",*(char*)(toto->content));
+**		printf("toto->nxt->data     :%c\n",*(char*)(toto->next->content));
+**		printf("toto->nxt->nxt->data:%c\n",*(char*)(toto->next->next->content));
+**		printf("toto->nxt->nxt->nxt :%s\n",(char*)(toto->next->next->next));
+**		ft_lstclear(&(toto->next), ft_delete);
+**		printf("----------------------\n");
+**		printf("toto->data          :%c\n",*(char*)(toto->content));
+**		printf("toto->nxt->data     :%c\n",*(char*)(toto->next->content));
+**		printf("toto->nxt->nxt      :%s\n",(char*)(toto->next->next));
+**		return (0);
+**	}
+*/	
+
+#include "libft.h"
+
+void	ft_lstclear(t_list **lst, void (*del)(void *))
+{
+	if ((*lst)->next)
+		ft_lstclear(&(*lst)->next, del);
+	ft_lstdelone(*lst, del);
+}
+
diff --git a/srcs/bonus/ft_lstdelone.c b/srcs/bonus/ft_lstdelone.c
index 838806e..8cca4a8 100644
--- a/srcs/bonus/ft_lstdelone.c
+++ b/srcs/bonus/ft_lstdelone.c
@@ -92,7 +92,7 @@
 **	}
 */	
 
-#include "libft.h"
+//#include "libft.h"
 
 void	ft_lstdelone(t_list *lst, void (*del)(void *))
 {
diff --git a/srcs/bonus/ft_lstmap.c b/srcs/bonus/ft_lstmap.c
new file mode 100644
index 0000000..b3642c6
--- /dev/null
+++ b/srcs/bonus/ft_lstmap.c
@@ -0,0 +1,124 @@
+/*
+**	iterate trhough linked list and apply to each element a function f
+**	if necessary the function del is used to delete an element
+*/
+
+/*	
+**	#include <libc.h>
+**	
+**	typedef struct		s_list
+**	{
+**		void			*content;
+**		struct s_list	*next;
+**	}					t_list;
+**	
+**	void	*ft_memcpy(void *dst, const void *src, size_t n)
+**	{
+**		size_t	i;
+**		char	*ptr;
+**		char	*ptr2;
+**	
+**		ptr = (char *)dst;
+**		ptr2 = (char *)src;
+**		i = -1;
+**		while (++i < n)
+**			ptr[i] = ptr2[i];
+**		return (dst);
+**	}
+**	
+**	t_list	*ft_lstnew(void *content)
+**	{
+**		t_list		*lst;
+**	
+**		if (!(lst = (t_list *)malloc(sizeof(*lst))))
+**			return (NULL);
+**		if (!content)
+**			lst->content = NULL;
+**		else
+**		{
+**			if (!(lst->content = malloc(sizeof(content))))
+**				return (NULL);
+**			ft_memcpy(lst->content, content, sizeof(content));
+**		}
+**		lst->next = NULL;
+**		return (lst);
+**	}
+**	
+**	void	ft_lstadd_back(t_list **alst, t_list *new)
+**	{
+**		t_list	*tmp;
+**	
+**		if (alst)
+**		{
+**			tmp = *alst;
+**			if (!tmp)
+**				*alst = new;
+**			else
+**			{
+**				while (tmp->next)
+**					tmp = tmp->next;
+**				tmp->next = new;
+**			}
+**			new->next = NULL;
+**		}
+**	}
+**	
+**	void	*to_uppercase(void *element)
+**	{
+**		*(char*)(((t_list*)element)->content) -= 32;
+**		return (element);
+**	}
+**	
+**	void	ft_delete(void *element)
+**	{
+**		*(char*)element = '\0';
+**	}
+**	
+**	t_list	*ft_lstmap(t_list *lst, void *(*f)(void *), void (*del)(void *));
+**	
+**	int	main(void)
+**	{
+**		t_list	*toto;
+**		void	*(to_uppercase)(void *);
+**		void	(ft_delete)(void*);
+**	
+**		toto = ft_lstnew("a");
+**		toto->next = ft_lstnew("b");
+**		toto->next->next = ft_lstnew("c");
+**		printf("toto->data          :%c\n",*(char*)(toto->content));
+**		printf("toto->nxt->data     :%c\n",*(char*)(toto->next->content));
+**		printf("toto->nxt->nxt->data:%c\n",*(char*)(toto->next->next->content));
+**		printf("toto->nxt->nxt->nxt :%s\n",(char*)(toto->next->next->next));
+**		ft_lstmap(toto->next, to_uppercase, ft_delete);
+**		printf("----------------------\n");
+**		printf("toto->data          :%c\n",*(char*)(toto->content));
+**		printf("toto->nxt->data     :%c\n",*(char*)(toto->next->content));
+**		printf("toto->nxt->nxt->data:%c\n",*(char*)(toto->next->next->content));
+**		printf("toto->nxt->nxt->nxt :%s\n",(char*)(toto->next->next->next));
+**		return (0);
+**	}
+*/	
+
+#include "libft.h"
+
+t_list		*ft_lstmap(t_list *lst, void *(*f)(void *), void (*del)(void *))
+{
+	t_list		*new;
+	t_list		*tmp;
+
+	if (!lst)
+		return (NULL);
+	tmp = (t_list*)f(lst);
+	new = tmp;
+	while (lst->next)
+	{
+		lst = lst->next;
+		if (!(tmp->next = (t_list*)f(lst)))
+		{
+			free(tmp->next);
+			return (NULL);
+		}
+		tmp = tmp->next;
+	}
+	return (new);
+}
diff --git a/srcs/bonus/ft_lstnew.c b/srcs/bonus/ft_lstnew.c
index 6c0532e..061f428 100644
--- a/srcs/bonus/ft_lstnew.c
+++ b/srcs/bonus/ft_lstnew.c
@@ -33,13 +33,13 @@
 **		t_list	*toto;
 **	
 **		tresor = 'd';
-**		printf("tresor               : %c\n",tresor);
+**		printf("tresor                : %c\n",tresor);
 **		toto = ft_lstnew(&tresor);
 **		//toto->content was alocated as void* so it need cast
-**		printf("toto->content        : %c\n",*(char*)(toto->content));	
+**		printf("toto->content         : %c\n",*(char*)(toto->content));
 **		tresor = 'D';
-**		printf("transform tresor     : %c\n",tresor);
-**		printf("but not toto->content: %c\n",*(char*)(toto->content));	
+**		printf("transform tresor      : %c\n",tresor);
+**		printf("and also toto->content: %c\n",*(char*)(toto->content));
 **		return (0);
 **	}
 */	
@@ -55,11 +55,7 @@ t_list	*ft_lstnew(void *content)
 	if (!content)
 		lst->content = NULL;
 	else
-	{
-		if (!(lst->content = malloc(sizeof(content))))
-			return (NULL);
-		ft_memcpy(lst->content, content, sizeof(content));
-	}
+		lst->content = content;
 	lst->next = NULL;
 	return (lst);
 }
diff --git a/srcs/bonus/lstclear.c b/srcs/bonus/lstclear.c
deleted file mode 100644
index 11161dd..0000000
--- a/srcs/bonus/lstclear.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include "libft.h"
-
-void	ft_lstdel(t_list **alst, void (*del)(void *, size_t))
-{
-	if ((*alst)->next)
-		ft_lstdel(&(*alst)->next, del);
-	ft_lstdelone(alst, del);
-}
-
diff --git a/srcs/bonus/lstmap.c b/srcs/bonus/lstmap.c
deleted file mode 100644
index 6b9a2c8..0000000
--- a/srcs/bonus/lstmap.c
+++ /dev/null
@@ -1,35 +0,0 @@
-/* ************************************************************************** */
-/*                                                                            */
-/*                                                        :::      ::::::::   */
-/*   ft_lstmap.c                                        :+:      :+:    :+:   */
-/*                                                    +:+ +:+         +:+     */
-/*   By: hulamy <marvin@42.fr>                      +#+  +:+       +#+        */
-/*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2018/11/14 21:11:20 by hulamy            #+#    #+#             */
-/*   Updated: 2018/11/16 14:01:23 by hulamy           ###   ########.fr       */
-/*                                                                            */
-/* ************************************************************************** */
-
-#include "libft.h"
-
-t_list		*ft_lstmap(t_list *lst, t_list *(*f)(t_list *elem))
-{
-	t_list		*new;
-	t_list		*tmp;
-
-	if (!lst)
-		return (NULL);
-	tmp = f(lst);
-	new = tmp;
-	while (lst->next)
-	{
-		lst = lst->next;
-		if (!(tmp->next = f(lst)))
-		{
-			free(tmp->next);
-			return (NULL);
-		}
-		tmp = tmp->next;
-	}
-	return (new);
-}