diff --git a/Makefile b/Makefile
index c98e858..b118731 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@
 #    By: adjoly <adjoly@student.42.fr>              +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2023/11/01 11:03:22 by adjoly            #+#    #+#              #
-#    Updated: 2023/11/08 17:07:14 by adjoly           ###   ########.fr        #
+#    Updated: 2023/11/09 19:22:28 by adjoly           ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
@@ -43,6 +43,7 @@ SRCS = ft_atoi.c \
 		ft_strchr.c \
 		ft_strrchr.c \
 		ft_strnstr.c \
+		ft_putendl_fd.c \
 
 OBJS = $(SRCS:.c=.o)
 
diff --git a/ft_putendl_fd.c b/ft_putendl_fd.c
new file mode 100644
index 0000000..00bfae5
--- /dev/null
+++ b/ft_putendl_fd.c
@@ -0,0 +1,19 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_putendl_fd.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: adjoly <adjoly@student.42.fr>              +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/11/09 19:12:00 by adjoly            #+#    #+#             */
+/*   Updated: 2023/11/09 19:15:50 by adjoly           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	ft_putendl_fd(char *s, int fd)
+{
+	ft_putstr_fd(s, fd);
+	ft_putchar_fd('\n', fd);
+}
diff --git a/ft_split.c b/ft_split.c
new file mode 100644
index 0000000..b2bae14
--- /dev/null
+++ b/ft_split.c
@@ -0,0 +1,40 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_split.c                                         :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: adjoly <adjoly@student.42.fr>              +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/11/09 19:04:42 by adjoly            #+#    #+#             */
+/*   Updated: 2023/11/10 17:05:46 by adjoly           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+static int	ft_countword(char const *s, char sep)
+{
+	int	i;
+	int	w_count;
+
+	i = 0;
+	if (s[i] != sep)
+		w_count++;
+	while (s[i])
+	{
+		if (s[i] == sep && s[i - 1] != sep)
+			w_count++;
+		i++;
+	}
+	return (w_count);
+}
+
+char	**ft_split(char const *s, char c)
+{
+	int		w_count;
+	char	**result;
+
+	w_count = ft_countword(s, c);
+	result = malloc(w_count);
+	return (result);
+}
diff --git a/ft_strjoin.c b/ft_strjoin.c
index 87caffe..f296829 100644
--- a/ft_strjoin.c
+++ b/ft_strjoin.c
@@ -6,7 +6,7 @@
 /*   By: adjoly <adjoly@student.42.fr>              +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/11/04 13:44:09 by adjoly            #+#    #+#             */
-/*   Updated: 2023/11/04 14:06:43 by adjoly           ###   ########.fr       */
+/*   Updated: 2023/11/09 19:19:28 by adjoly           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,12 +14,12 @@
 
 char	*ft_strjoin(char const *s1, char const *s2)
 {
-	int		i;
+	// int		i;
 	char	*result;
 	size_t	len_s1;
 	size_t	len_s2;
 
-	i = 0;
+	// i = 0;
 	len_s1 = ft_strlen(s1);
 	len_s2 = ft_strlen(s2);
 	result = malloc(len_s1 + len_s2 + 1);
diff --git a/ft_substr.c b/ft_substr.c
index c6d5b1d..edcef0a 100644
--- a/ft_substr.c
+++ b/ft_substr.c
@@ -6,7 +6,7 @@
 /*   By: adjoly <adjoly@student.42.fr>              +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/11/02 17:59:58 by adjoly            #+#    #+#             */
-/*   Updated: 2023/11/09 15:02:46 by adjoly           ###   ########.fr       */
+/*   Updated: 2023/11/10 17:13:29 by adjoly           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -28,7 +28,7 @@ char	*ft_substr(char const *s, unsigned int start, size_t len)
 	result = malloc(((ft_strlen(s) - len) + 1) * sizeof(char));
 	if (result == NULL)
 		return (NULL);
-	while (i < len && s[start + i])
+	while (i < len - 1 && s[start + i])
 	{
 		result[i] = s[start + i];
 		i++;
diff --git a/libft.h b/libft.h
index 1ccdd3a..4684357 100644
--- a/libft.h
+++ b/libft.h
@@ -6,7 +6,7 @@
 /*   By: adjoly <adjoly@student.42.fr>              +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/11/01 10:06:03 by adjoly            #+#    #+#             */
-/*   Updated: 2023/11/08 17:08:26 by adjoly           ###   ########.fr       */
+/*   Updated: 2023/11/09 19:22:26 by adjoly           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -48,5 +48,6 @@ void	*ft_memchr(const void *s, int c, size_t n);
 int		ft_memcmp(const void *s1, const void *s2, size_t n);
 char	*ft_strrchr(const char *s, int c);
 char	*ft_strnstr(const char *big, const char *little, size_t len);
+void	ft_putendl_fd(char *s, int fd);
 
 #endif
\ No newline at end of file