diff --git a/Makefile b/Makefile
index 092636c..a77d2ed 100644
--- a/Makefile
+++ b/Makefile
@@ -24,41 +24,43 @@ SRCS	= ft_memset.c	\
 			ft_calloc.c		\
 			ft_strdup.c		\
 			ft_substr.c		\
-			ft_strjoin.c	\
 			ft_strtrim.c	\
 			ft_split.c		\
+			ft_strjoin.c	\
 			ft_itoa.c		\
 			ft_strmapi.c	\
 			ft_putchar_fd.c	\
 			ft_putstr_fd.c	\
 			ft_putendl_fd.c	\
-			ft_putnbr_fd.c	
+			ft_putnbr_fd.c	\
+			get_next_line.c	\
+			get_next_line_utils.c
 OBJS	= ${SRCS:.c=.o}
 BONUS_C	= 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
+		  ft_lstdelone.c ft_lstclear.c ft_lstiter.c ft_lstmap.c ft_lstbeforelast.c
 BONUS_O	= ${BONUS_C:.c=.o}
 CC		= gcc
-CFLAGS	= -Wall -Wextra -Werror
+CFLAGS	= -Wall -Wextra 
 RM		= rm -rf
 
 .c.o:
-		${CC} ${CFLAGS} -c $< -o ${<:.c=.o}
+		@${CC} ${CFLAGS} -c $< -o ${<:.c=.o}
 
 ${NAME}:${OBJS}
-		ar -rcs ${NAME} ${OBJS}
+		@ar -rcs ${NAME} ${OBJS}
 
 all:	${NAME}
 
 bonus:	all
-		${CC} ${CFLAGS} -c ${BONUS_C}
-		ar -rcs ${NAME} ${BONUS_O}
+		@${CC} ${CFLAGS} -c ${BONUS_C}
+		@ar -rcs ${NAME} ${BONUS_O}
 
 clean:
-		${RM} ${OBJS}
-		${RM} ${BONUS_O}
+		@${RM} ${OBJS}
+		@${RM} ${BONUS_O}
 
 fclean:	clean
-		${RM} ${NAME}
+		@${RM} ${NAME}
 		
 re: 	fclean all
 
diff --git a/ft_atoi.c b/ft_atoi.c
index a9db23e..0073b7e 100644
--- a/ft_atoi.c
+++ b/ft_atoi.c
@@ -6,17 +6,17 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/11/29 00:09:17 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/12 12:05:13 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/18 06:50:22 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "libft.h"
 
-int	ft_atoi(const char *nptr)
+long	ft_atoi(const char *nptr)
 {
-	int i;
-	int nbr;
-	int minus;
+	int		i;
+	long	nbr;
+	long	minus;
 
 	minus = 1;
 	nbr = 0;
diff --git a/ft_bzero.c b/ft_bzero.c
index 6480413..5baa4fe 100644
--- a/ft_bzero.c
+++ b/ft_bzero.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/11/29 00:09:48 by apommier          #+#    #+#             */
-/*   Updated: 2020/11/29 17:02:33 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 11:26:30 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -17,7 +17,7 @@ void	ft_bzero(void *s, size_t n)
 	char	*p;
 	int		i;
 
-	p = (char*)s;
+	p = (char *)s;
 	i = 0;
 	while (n != 0)
 	{
diff --git a/ft_calloc.c b/ft_calloc.c
index 08404eb..e4cea33 100644
--- a/ft_calloc.c
+++ b/ft_calloc.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/11/29 00:09:57 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/16 16:13:27 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 21:18:04 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -27,5 +27,5 @@ void	*ft_calloc(size_t nmemb, size_t size)
 			i++;
 		}
 	}
-	return ((void*)new);
+	return ((void *)new);
 }
diff --git a/ft_itoa.c b/ft_itoa.c
index 7de7203..70f2fd0 100644
--- a/ft_itoa.c
+++ b/ft_itoa.c
@@ -3,10 +3,10 @@
 /*                                                        :::      ::::::::   */
 /*   ft_itoa.c                                          :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
-/*   By: apommier <alexpomms@student.42.fr>         +#+  +:+       +#+        */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/12/08 18:20:19 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/20 11:52:40 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 11:28:01 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -17,7 +17,7 @@ static char	*fill(long n, int j, int minus)
 	char	*dest;
 
 	j += minus;
-	dest = (char*)malloc(sizeof(char) * (j + 1));
+	dest = (char *)malloc(sizeof(char) * (j + 1));
 	if (dest == 0)
 		return (0);
 	dest[j] = 0;
@@ -34,7 +34,7 @@ static char	*fill(long n, int j, int minus)
 	return (dest);
 }
 
-char		*ft_itoa(int n)
+char	*ft_itoa(int n)
 {
 	long	i;
 	long	k;
diff --git a/ft_lstbeforelast.c b/ft_lstbeforelast.c
new file mode 100644
index 0000000..535dd53
--- /dev/null
+++ b/ft_lstbeforelast.c
@@ -0,0 +1,28 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_lstbeforelast.c                                 :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2021/12/09 19:16:55 by apommier          #+#    #+#             */
+/*   Updated: 2022/01/17 11:28:22 by apommier         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+t_list	*ft_lstbeforelast(t_list *lst)
+{
+	t_list	*save;
+
+	save = 0;
+	if (!lst)
+		return (0);
+	while (lst->next)
+	{
+		save = lst;
+		lst = lst->next;
+	}
+	return (save);
+}
diff --git a/ft_lstclear.c b/ft_lstclear.c
index d768b5a..152fb31 100644
--- a/ft_lstclear.c
+++ b/ft_lstclear.c
@@ -3,10 +3,10 @@
 /*                                                        :::      ::::::::   */
 /*   ft_lstclear.c                                      :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
-/*   By: apommier <alexpomms@student.42.fr>         +#+  +:+       +#+        */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/12/09 19:58:04 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/12 09:15:23 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 11:28:39 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,13 +14,13 @@
 
 void	ft_lstclear(t_list **lst, void (*del)(void*))
 {
-	t_list *chr;
+	t_list	*chr;
 
 	chr = *lst;
 	while (*lst)
 	{
 		chr = (*lst)->next;
-		del((*lst)->content);
+		del((*lst)->nbr);
 		free(*lst);
 		*lst = chr;
 	}
diff --git a/ft_lstdelone.c b/ft_lstdelone.c
index d932649..f0dea04 100644
--- a/ft_lstdelone.c
+++ b/ft_lstdelone.c
@@ -16,6 +16,6 @@ void	ft_lstdelone(t_list *lst, void (*del)(void*))
 {
 	if (!lst)
 		return ;
-	del(lst->content);
+	del(lst->nbr);
 	free(lst);
 }
diff --git a/ft_lstiter.c b/ft_lstiter.c
index e3ac84f..0e9ea7a 100644
--- a/ft_lstiter.c
+++ b/ft_lstiter.c
@@ -16,7 +16,7 @@ void	ft_lstiter(t_list *lst, void (*f)(void *))
 {
 	while (lst)
 	{
-		f(lst->content);
+		f(lst->nbr);
 		lst = lst->next;
 	}
 }
diff --git a/ft_lstlast.c b/ft_lstlast.c
index 86780c3..2bf317b 100644
--- a/ft_lstlast.c
+++ b/ft_lstlast.c
@@ -3,10 +3,10 @@
 /*                                                        :::      ::::::::   */
 /*   ft_lstlast.c                                       :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
-/*   By: apommier <alexpomms@student.42.fr>         +#+  +:+       +#+        */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/12/09 19:16:55 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/09 19:21:54 by apommier         ###   ########.fr       */
+/*   Updated: 2021/11/26 01:21:39 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
diff --git a/ft_lstmap.c b/ft_lstmap.c
index d53c442..252c0c6 100644
--- a/ft_lstmap.c
+++ b/ft_lstmap.c
@@ -20,7 +20,7 @@ t_list	*ft_lstmap(t_list *lst, void *(*f)(void *), void (*del)(void *))
 	begin = 0;
 	while (lst)
 	{
-		new = ft_lstnew(f(lst->content));
+		new = ft_lstnew(f(lst->nbr));
 		if (!new)
 		{
 			ft_lstclear(&begin, *del);
diff --git a/ft_lstnew.c b/ft_lstnew.c
index 9a162bd..e108f42 100644
--- a/ft_lstnew.c
+++ b/ft_lstnew.c
@@ -3,10 +3,10 @@
 /*                                                        :::      ::::::::   */
 /*   ft_lstnew.c                                        :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
-/*   By: apommier <alexpomms@student.42.fr>         +#+  +:+       +#+        */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/12/09 01:06:20 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/11 17:46:20 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 11:29:09 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,12 +14,13 @@
 
 t_list	*ft_lstnew(void *content)
 {
-	t_list *new;
+	t_list	*new;
 
-	new = (t_list*)malloc(sizeof(t_list));
+	new = (t_list *)malloc(sizeof(t_list));
 	if (!new)
 		return (0);
-	new->content = content;
+	new->swap = 0;
+	new->nbr = content;
 	new->next = 0;
 	return (new);
 }
diff --git a/ft_memccpy.c b/ft_memccpy.c
index c305fc1..0b1644c 100644
--- a/ft_memccpy.c
+++ b/ft_memccpy.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/11/29 00:11:04 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/12 14:07:04 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 11:29:38 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -19,8 +19,8 @@ void	*ft_memccpy(void *dest, const void *src, int c, size_t n)
 	size_t		i;
 
 	i = 0;
-	p = (char*)dest;
-	p1 = (const char*)src;
+	p = (char *)dest;
+	p1 = (const char *)src;
 	while (i < n)
 	{
 		p[i] = p1[i];
diff --git a/ft_memchr.c b/ft_memchr.c
index 6a0fb37..ce8f294 100644
--- a/ft_memchr.c
+++ b/ft_memchr.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/11/29 00:11:39 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/12 13:53:45 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 11:29:51 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,9 +14,9 @@
 
 void	*ft_memchr(const void *s, int c, size_t n)
 {
-	unsigned char *str;
+	unsigned char	*str;
 
-	str = (unsigned char*)s;
+	str = (unsigned char *)s;
 	while (n)
 	{
 		if ((unsigned char)c == *str)
diff --git a/ft_memcmp.c b/ft_memcmp.c
index 58a837c..f9af3ee 100644
--- a/ft_memcmp.c
+++ b/ft_memcmp.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/11/29 00:11:51 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/12 14:14:51 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 11:30:32 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -19,8 +19,8 @@ int	ft_memcmp(const void *s1, const void *s2, size_t n)
 	i = 0;
 	while (n)
 	{
-		if (((unsigned char*)s1)[i] != ((unsigned char*)s2)[i])
-			return (((unsigned char*)s1)[i] - ((unsigned char*)s2)[i]);
+		if (((unsigned char *)s1)[i] != ((unsigned char *)s2)[i])
+			return (((unsigned char *)s1)[i] - ((unsigned char *)s2)[i]);
 		n--;
 		i++;
 	}
diff --git a/ft_memcpy.c b/ft_memcpy.c
index a5abdd8..92c0480 100644
--- a/ft_memcpy.c
+++ b/ft_memcpy.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/11/29 00:12:03 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/16 16:14:24 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 11:30:43 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -20,8 +20,8 @@ void	*ft_memcpy(void *dest, const void *src, size_t n)
 
 	if (!dest && !src)
 		return (dest);
-	p = (char*)dest;
-	p1 = (const char*)src;
+	p = (char *)dest;
+	p1 = (const char *)src;
 	i = 0;
 	while (i < n)
 	{
diff --git a/ft_memmove.c b/ft_memmove.c
index 829c13f..0a8a6db 100644
--- a/ft_memmove.c
+++ b/ft_memmove.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/11/29 00:12:14 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/13 21:15:13 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 11:31:05 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,7 +14,7 @@
 
 void	*ft_memmove(void *dest, const void *src, size_t n)
 {
-	size_t i;
+	size_t	i;
 
 	i = 0;
 	if (!dest && !src)
@@ -23,7 +23,7 @@ void	*ft_memmove(void *dest, const void *src, size_t n)
 	{
 		while (n)
 		{
-			((unsigned char*)dest)[n - 1] = ((unsigned char*)src)[n - 1];
+			((unsigned char *)dest)[n - 1] = ((unsigned char *)src)[n - 1];
 			n--;
 		}
 	}
@@ -31,7 +31,7 @@ void	*ft_memmove(void *dest, const void *src, size_t n)
 	{
 		while (i < n)
 		{
-			((unsigned char*)dest)[i] = ((unsigned char*)src)[i];
+			((unsigned char *)dest)[i] = ((unsigned char *)src)[i];
 			i++;
 		}
 	}
diff --git a/ft_memset.c b/ft_memset.c
index da16346..58dacd9 100644
--- a/ft_memset.c
+++ b/ft_memset.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/11/29 00:12:24 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/11 15:48:06 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 11:31:28 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -18,7 +18,7 @@ void	*ft_memset(void *s, int c, size_t n)
 	unsigned char	*p;
 
 	i = 0;
-	p = (unsigned char*)s;
+	p = (unsigned char *)s;
 	while (n > 0)
 	{
 		p[i] = (unsigned char)c;
diff --git a/ft_putnbr_fd.c b/ft_putnbr_fd.c
index faa08fd..eb6aebd 100644
--- a/ft_putnbr_fd.c
+++ b/ft_putnbr_fd.c
@@ -3,10 +3,10 @@
 /*                                                        :::      ::::::::   */
 /*   ft_putnbr_fd.c                                     :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
-/*   By: apommier <alexpomms@student.42.fr>         +#+  +:+       +#+        */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/12/08 23:25:57 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/12 09:42:09 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 11:31:56 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,7 +14,7 @@
 
 void	ft_putnbr_fd(int n, int fd)
 {
-	long nbr;
+	long	nbr;
 
 	nbr = n;
 	if (nbr < 0)
diff --git a/ft_split.c b/ft_split.c
index 3c39bc6..8302b45 100644
--- a/ft_split.c
+++ b/ft_split.c
@@ -3,23 +3,23 @@
 /*                                                        :::      ::::::::   */
 /*   ft_split.c                                         :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
-/*   By: apommier <alexpomms@student.42.fr>         +#+  +:+       +#+        */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/12/07 00:54:12 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/13 23:07:09 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/21 08:09:38 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "libft.h"
 
-static int		fill_tab(char *s, char c, char **dest, size_t index)
+static int	fill_tab(char *s, char c, char **dest, size_t index)
 {
 	int		i;
 
 	i = 0;
 	while (s[i] != c && s[i])
 		i++;
-	dest[index] = (char*)ft_calloc(i + 1, sizeof(char));
+	dest[index] = (char *)ft_calloc(i + 1, sizeof(char));
 	if (dest[index] == 0)
 		return (0);
 	i = 0;
@@ -31,7 +31,7 @@ static int		fill_tab(char *s, char c, char **dest, size_t index)
 	return (1);
 }
 
-static void		call(char *s, char c, char **dest, int j)
+static void	call(char *s, char c, char **dest, int j)
 {
 	int		index;
 	int		k;
@@ -51,7 +51,7 @@ static void		call(char *s, char c, char **dest, int j)
 	}
 }
 
-char			**ft_split(char const *s, char c)
+char	**ft_split(char const *s, char c)
 {
 	int		i;
 	int		j;
@@ -71,9 +71,10 @@ char			**ft_split(char const *s, char c)
 		while (s[i] == c && s[i])
 			i++;
 	}
-	if (!(dest = (char**)malloc(sizeof(char*) * (i + j))))
+	dest = (char **)ft_calloc(sizeof(char *), (i + j));
+	if (!dest)
 		return (0);
 	dest[j] = 0;
-	call((char*)s, c, dest, j);
+	call((char *)s, c, dest, j);
 	return (dest);
 }
diff --git a/ft_strchr.c b/ft_strchr.c
index a711097..d3699c2 100644
--- a/ft_strchr.c
+++ b/ft_strchr.c
@@ -3,10 +3,10 @@
 /*                                                        :::      ::::::::   */
 /*   ft_strchr.c                                        :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
-/*   By: apommier <alexpomms@student.42.fr>         +#+  +:+       +#+        */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/12/12 13:57:59 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/12 13:58:05 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 21:18:59 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,13 +14,15 @@
 
 char	*ft_strchr(const char *s, int c)
 {
-	unsigned char *str;
+	char	*str;
 
-	str = (unsigned char*)s;
+	if (!s)
+		return ("no s");
+	str = (char *)s;
 	while ((*str != c) && (*str != 0))
 		str++;
 	if (*str == c)
-		return ((char*)str);
+		return ((char *)str);
 	else
 		return (0);
 }
diff --git a/ft_strjoin.c b/ft_strjoin.c
index 250d499..da55361 100644
--- a/ft_strjoin.c
+++ b/ft_strjoin.c
@@ -3,16 +3,16 @@
 /*                                                        :::      ::::::::   */
 /*   ft_strjoin.c                                       :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
-/*   By: apommier <alexpomms@student.42.fr>         +#+  +:+       +#+        */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2020/12/11 15:38:13 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/16 17:00:44 by apommier         ###   ########.fr       */
+/*   Created: 2022/01/20 21:44:01 by apommier          #+#    #+#             */
+/*   Updated: 2022/01/21 08:07:04 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "libft.h"
 
-char	*ft_strjoin(char const *s1, char const *s2)
+char	*ft_strjoin(char *save, char *s2)
 {
 	char	*dest;
 	int		i;
@@ -20,18 +20,17 @@ char	*ft_strjoin(char const *s1, char const *s2)
 
 	i = 0;
 	j = 0;
-	if (!s1 || !s2)
+	if (!save && !s2)
 		return (0);
-	if (!(dest = (char*)malloc(ft_strlen(s1) + ft_strlen(s2) + 1)))
-		return (0);
-	while (s1[i] && s1)
+	dest = malloc(ft_strlen(save) + ft_strlen(s2) + 1);
+	while (save && save[i])
 	{
-		dest[j] = s1[i];
+		dest[j] = save[i];
 		j++;
 		i++;
 	}
 	i = 0;
-	while (s2[i] && s2)
+	while (s2 && s2[i])
 	{
 		dest[j] = s2[i];
 		j++;
diff --git a/ft_strlcpy.c b/ft_strlcpy.c
index 8d826c8..05af28a 100644
--- a/ft_strlcpy.c
+++ b/ft_strlcpy.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/11/29 00:13:07 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/12 16:07:05 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 11:38:48 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,8 +14,8 @@
 
 size_t	ft_strlcpy(char *dst, const char *src, size_t size)
 {
-	int i;
-	int j;
+	int	i;
+	int	j;
 
 	j = 0;
 	i = 0;
diff --git a/ft_strlen.c b/ft_strlen.c
index c4bad3d..5ac9d2b 100644
--- a/ft_strlen.c
+++ b/ft_strlen.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/11/29 00:13:19 by apommier          #+#    #+#             */
-/*   Updated: 2020/11/29 17:12:23 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 21:12:05 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,9 +14,11 @@
 
 size_t	ft_strlen(const char *s)
 {
-	size_t i;
+	size_t	i;
 
 	i = 0;
+	if (!s)
+		return (0);
 	while (s[i] != 0)
 		i++;
 	return (i);
diff --git a/ft_strmapi.c b/ft_strmapi.c
index 0040b83..a983137 100644
--- a/ft_strmapi.c
+++ b/ft_strmapi.c
@@ -3,10 +3,10 @@
 /*                                                        :::      ::::::::   */
 /*   ft_strmapi.c                                       :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
-/*   By: apommier <alexpomms@student.42.fr>         +#+  +:+       +#+        */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/12/08 19:03:09 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/16 16:52:49 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 11:39:05 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -20,7 +20,7 @@ char	*ft_strmapi(char const *s, char (*f)(unsigned int, char))
 	if (!s)
 		return (0);
 	i = 0;
-	dest = (char*)ft_calloc(ft_strlen(s) + 1, sizeof(char));
+	dest = (char *)ft_calloc(ft_strlen(s) + 1, sizeof(char));
 	if (!dest)
 		return (0);
 	while (s[i])
diff --git a/ft_strncmp.c b/ft_strncmp.c
index 91f1d0b..0951207 100644
--- a/ft_strncmp.c
+++ b/ft_strncmp.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/11/29 00:13:31 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/13 20:44:39 by apommier         ###   ########.fr       */
+/*   Updated: 2022/02/14 00:27:01 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,7 +14,7 @@
 
 int	ft_strncmp(const char *s1, const char *s2, size_t n)
 {
-	int i;
+	int	i;
 
 	i = 0;
 	while (n && (s1[i] || s2[i]))
@@ -26,3 +26,19 @@ int	ft_strncmp(const char *s1, const char *s2, size_t n)
 	}
 	return (0);
 }
+
+int	ft_strcmp(const char *s1, const char *s2)
+{
+	int	i;
+
+	i = 0;
+	if (!s1 || !s2)
+		return (1);
+	while (s1[i] || s2[i])
+	{
+		if (s1[i] != s2[i])
+			return ((unsigned char)s1[i] - (unsigned char)s2[i]);
+		i++;
+	}
+	return (0);
+}
diff --git a/ft_strnstr.c b/ft_strnstr.c
index af1e057..e993e0d 100644
--- a/ft_strnstr.c
+++ b/ft_strnstr.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/11/29 00:13:42 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/13 22:55:27 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 11:39:28 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -19,9 +19,9 @@ char	*ft_strnstr(const char *big, const char *little, size_t len)
 
 	i = 0;
 	if (!little[i])
-		return ((char*)big);
+		return ((char *)big);
 	if (!little[i])
-		return ((char*)big);
+		return ((char *)big);
 	while (big[i] && len - i)
 	{
 		j = 0;
@@ -32,7 +32,7 @@ char	*ft_strnstr(const char *big, const char *little, size_t len)
 			while (little[j] == big[i + j] && little[j] && len - i - j)
 				j++;
 			if (little[j] == 0)
-				return ((char*)&big[i]);
+				return ((char *)&big[i]);
 			else
 				i++;
 		}
diff --git a/ft_strrchr.c b/ft_strrchr.c
index 55751e8..0d11e30 100644
--- a/ft_strrchr.c
+++ b/ft_strrchr.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/11/29 00:13:52 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/16 16:14:41 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 11:39:37 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -17,7 +17,7 @@ char	*ft_strrchr(const char *s, int c)
 	char	*str;
 	char	*last;
 
-	str = (char*)s;
+	str = (char *)s;
 	if (c == 0)
 	{
 		while (*str)
diff --git a/ft_strtrim.c b/ft_strtrim.c
index a6cda30..3930252 100644
--- a/ft_strtrim.c
+++ b/ft_strtrim.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/11/29 23:52:05 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/16 18:06:01 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/17 11:40:17 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -45,7 +45,7 @@ static int	len_dest(const char *s1, char const *set)
 	return (len);
 }
 
-char		*ft_strtrim(char const *s1, char const *set)
+char	*ft_strtrim(char const *s1, char const *set)
 {
 	int		j;
 	int		i;
@@ -57,7 +57,8 @@ char		*ft_strtrim(char const *s1, char const *set)
 	if (!s1)
 		return (0);
 	len = len_dest(s1, set);
-	if (!(dest = ft_calloc(len + 1, 1)))
+	dest = ft_calloc(len + 1, 1);
+	if (!dest)
 		return (0);
 	while (is_set(set, s1[i]))
 		i++;
diff --git a/get_next_line.c b/get_next_line.c
new file mode 100644
index 0000000..24ca95c
--- /dev/null
+++ b/get_next_line.c
@@ -0,0 +1,100 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   get_next_line.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: kinou <alexpomms@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2021/10/23 07:55:17 by kinou             #+#    #+#             */
+/*   Updated: 2021/11/01 10:21:35 by kinou            ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+char	*ft_free(char *save, int *end)
+{
+	if (!*end)
+	{
+		free(save);
+		free(end);
+		return (0);
+	}
+	free(end);
+	return (save);
+}
+
+char	*set_line(char *line, char *save)
+{
+	int		i;
+
+	i = 0;
+	line = ft_strjoin(save, 0);
+	while (line[i] && line[i] != '\n')
+		i++;
+	if (line[i] == '\n')
+	{
+		while (line[i++])
+			line[i] = '\0';
+	}
+	return (line);
+}
+
+char	*set_save(char *save)
+{
+	char	*delete;
+	int		i;
+
+	i = 0;
+	delete = save;
+	while (save[i] && save[i] != '\n')
+		i++;
+	if (save[i] != '\n')
+		i = 0;
+	save = ft_strjoin((save + i + 1), 0);
+	free(delete);
+	return (save);
+}
+
+char	*next_line(char *save, int *end, int fd)
+{
+	char	*delete;
+	char	*dest;
+
+	while (!ft_strchr(save, '\n') && *end > 0)
+	{
+		dest = ft_calloc(1, 1 + 1);
+		*end = read(fd, dest, 1);
+		delete = save;
+		save = ft_strjoin(save, dest);
+		free(delete);
+		free(dest);
+	}
+	return (save);
+}
+
+char	*get_next_line(int fd)
+{
+	static char	*save = NULL;
+	int			*end;
+	char		*line;
+
+	line = 0;
+	if (fd < 0)
+		return (0);
+	end = malloc(sizeof(int *));
+	*end = 1;
+	if (save == NULL)
+		save = ft_calloc(1, 1);
+	save = next_line(save, end, fd);
+	line = set_line(line, save);
+	if (ft_strlen(line) > 0)
+	{
+		save = set_save(save);
+		save = ft_free(save, end);
+		return (line);
+	}
+	free(line);
+	save = ft_free(save, end);
+	return (0);
+}
diff --git a/get_next_line.h b/get_next_line.h
new file mode 100644
index 0000000..35d74d6
--- /dev/null
+++ b/get_next_line.h
@@ -0,0 +1,19 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   get_next_line.h                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/12/14 05:58:49 by apommier          #+#    #+#             */
+/*   Updated: 2022/01/17 21:45:15 by apommier         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef GET_NEXT_LINE_H
+# define GET_NEXT_LINE_H
+
+char	*get_next_line(int fd);
+char	*ft_strjoin(char *save, char *s2);
+
+#endif
diff --git a/get_next_line_utils.c b/get_next_line_utils.c
new file mode 100644
index 0000000..a8fde1b
--- /dev/null
+++ b/get_next_line_utils.c
@@ -0,0 +1,41 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   get_next_line_utils.c                              :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/12/14 06:05:54 by apommier          #+#    #+#             */
+/*   Updated: 2022/01/20 21:58:39 by apommier         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+char	*ft_strjoin(char *save, char *s2)
+{
+	char	*dest;
+	int		i;
+	int		j;
+
+	i = 0;
+	j = 0;
+	if (!save && !s2)
+		return (0);
+	dest = malloc(ft_strlen(save) + ft_strlen(s2) + 1);
+	while (save && save[i])
+	{
+		dest[j] = save[i];
+		j++;
+		i++;
+	}
+	i = 0;
+	while (s2 && s2[i])
+	{
+		dest[j] = s2[i];
+		j++;
+		i++;
+	}
+	dest[j] = 0;
+	return (dest);
+}
diff --git a/libft.h b/libft.h
index 53996da..2aa8847 100644
--- a/libft.h
+++ b/libft.h
@@ -3,23 +3,26 @@
 /*                                                        :::      ::::::::   */
 /*   libft.h                                            :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
-/*   By: apommier <alexpomms@student.42.fr>         +#+  +:+       +#+        */
+/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/12/11 03:21:27 by apommier          #+#    #+#             */
-/*   Updated: 2020/12/11 15:43:19 by apommier         ###   ########.fr       */
+/*   Updated: 2022/02/14 00:27:42 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #ifndef LIBFT_H
 # define LIBFT_H
 
-# include <unistd.h>
 # include <stdlib.h>
+# include <unistd.h>
+# include "get_next_line.h"
 
-typedef struct	s_list
+typedef struct t_slist
 {
-	void			*content;
-	struct s_list	*next;
+	void			*nbr;
+	int				index;
+	int				swap;
+	struct t_slist	*next;
 }				t_list;
 
 void			*ft_memset(void *s, int c, size_t n);
@@ -39,16 +42,17 @@ int				ft_toupper(int c);
 int				ft_tolower(int c);
 char			*ft_strchr(const char *s, int c);
 char			*ft_strrchr(const char *s, int c);
+int				ft_strcmp(const char *s1, const char *s2);
 int				ft_strncmp(const char *s1, const char *s2, size_t n);
 size_t			ft_strlcpy(char *dst, const char *src, size_t size);
 size_t			ft_strlcat(char *dst, const char *src, size_t size);
+char			*ft_strjoin(char *save, char *s2);
 char			*ft_strnstr(const char *big, const char *little, size_t len);
-int				ft_atoi(const char *nptr);
+long			ft_atoi(const char *nptr);
 void			*ft_calloc(size_t nmenb, size_t size);
 char			*ft_strdup(const char *s);
 
 char			*ft_substr(char const *s, unsigned int start, size_t len);
-char			*ft_strjoin(char const *s1, char const *s2);
 char			*ft_strtrim(char const *s1, char const *set);
 char			**ft_split(char const *s, char c);
 char			*ft_itoa(int n);
@@ -68,5 +72,6 @@ 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 *));
+t_list			*ft_lstbeforelast(t_list *lst);
 
 #endif