refactored everything

45 files changed, 163 insertions, 276 deletions

diff --git a/ft_bzero.c b/ft_bzero.c
index 93af87a..d179af0 100644
--- a/ft_bzero.c
+++ b/ft_bzero.c
@@ -6,11 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 09:50:10 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/18 12:26:42 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:29:26 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <string.h>
 #include "libft.h"
 
 void	ft_bzero(void *s, size_t n)
diff --git a/ft_calloc.c b/ft_calloc.c
index 97a45f2..0a79c03 100644
--- a/ft_calloc.c
+++ b/ft_calloc.c
@@ -6,11 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 12:45:37 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/20 10:55:01 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 04:00:52 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
 #include "libft.h"
 
 void	*ft_calloc(size_t count, size_t size)
diff --git a/ft_itoa.c b/ft_itoa.c
index 03d794b..166e278 100644
--- a/ft_itoa.c
+++ b/ft_itoa.c
@@ -6,59 +6,34 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:19:56 by cacharle          #+#    #+#             */
-/*   Updated: 2019/11/20 01:15:40 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:13:10 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
+#include "libft.h"
 
-static int	count_len(int nbr)
+char		*ft_itoa(int n)
 {
-	int				counter;
+	char			*str;
+	int				len;
 	unsigned int	u_nbr;
 
-	if (nbr == 0)
-		return (1);
-	counter = 0;
-	u_nbr = nbr;
-	if (nbr < 0)
-	{
-		counter++;
-		u_nbr = -nbr;
-	}
+	len = n < 0 || n == 0 ? 1 : 0;
+	u_nbr = n < 0 ? -n : n;
 	while (u_nbr > 0)
 	{
 		u_nbr /= 10;
-		counter++;
+		len++;
 	}
-	return (counter);
-}
-
-char		*ft_itoa(int n)
-{
-	char			*str;
-	int				len;
-	int				is_negative;
-	unsigned int	u_nbr;
-
-	len = count_len(n);
-	if ((str = (char*)malloc(sizeof(char) * (len + 1))) == NULL)
+	if ((str = ft_strnew(len)) == NULL)
 		return (NULL);
-	str[len] = '\0';
-	is_negative = 0;
-	u_nbr = n;
+	u_nbr = n < 0 ? -n : n;
 	if (n < 0)
-	{
-		is_negative = 1;
 		str[0] = '-';
-		u_nbr = -n;
-	}
-	len--;
-	while (len >= (is_negative ? 1 : 0))
+	while (--len >= (n < 0 ? 1 : 0))
 	{
 		str[len] = (u_nbr % 10) | 0x30;
 		u_nbr /= 10;
-		len--;
 	}
 	return (str);
 }
diff --git a/ft_lstadd_back_bonus.c b/ft_lstadd_back_bonus.c
index be2dbf3..01eb00c 100644
--- a/ft_lstadd_back_bonus.c
+++ b/ft_lstadd_back_bonus.c
@@ -6,11 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/09 09:02:03 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/20 10:55:13 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 04:01:26 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
 #include "libft.h"
 
 void	ft_lstadd_back(t_list **alst, t_list *new)
diff --git a/ft_lstclear_bonus.c b/ft_lstclear_bonus.c
index 23999a0..ee1d9e5 100644
--- a/ft_lstclear_bonus.c
+++ b/ft_lstclear_bonus.c
@@ -6,11 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/09 09:02:39 by cacharle          #+#    #+#             */
-/*   Updated: 2019/11/20 01:57:09 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 04:02:37 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
 #include "libft.h"
 
 void	ft_lstclear(t_list **lst, void (*del)(void *))
diff --git a/ft_lstdelone_bonus.c b/ft_lstdelone_bonus.c
index 59515ff..30cec69 100644
--- a/ft_lstdelone_bonus.c
+++ b/ft_lstdelone_bonus.c
@@ -6,11 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/09 09:03:02 by cacharle          #+#    #+#             */
-/*   Updated: 2019/11/20 01:56:28 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 04:02:31 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
 #include "libft.h"
 
 void	ft_lstdelone(t_list *lst, void (*del)(void *))
diff --git a/ft_lstiter_bonus.c b/ft_lstiter_bonus.c
index 7b543cb..282e0fa 100644
--- a/ft_lstiter_bonus.c
+++ b/ft_lstiter_bonus.c
@@ -6,11 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/09 09:03:22 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/17 09:02:38 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 04:01:39 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
 #include "libft.h"
 
 void	ft_lstiter(t_list *lst, void (*f)(void *))
diff --git a/ft_lstlast_bonus.c b/ft_lstlast_bonus.c
index 4246cfc..247f4da 100644
--- a/ft_lstlast_bonus.c
+++ b/ft_lstlast_bonus.c
@@ -6,11 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/09 09:03:40 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/09 09:08:12 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 04:02:26 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
 #include "libft.h"
 
 t_list	*ft_lstlast(t_list *lst)
diff --git a/ft_lstmap_bonus.c b/ft_lstmap_bonus.c
index 3d0b20c..c623d6f 100644
--- a/ft_lstmap_bonus.c
+++ b/ft_lstmap_bonus.c
@@ -6,11 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/09 09:03:57 by cacharle          #+#    #+#             */
-/*   Updated: 2019/11/20 01:56:47 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 04:01:31 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
 #include "libft.h"
 
 t_list	*ft_lstmap(t_list *lst, void *(*f)(void *), void (*del)(void *))
diff --git a/ft_lstnew_bonus.c b/ft_lstnew_bonus.c
index 3f6ca38..ea10e4d 100644
--- a/ft_lstnew_bonus.c
+++ b/ft_lstnew_bonus.c
@@ -6,11 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/09 09:01:16 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/10 14:51:30 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 04:01:35 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
 #include "libft.h"
 
 t_list	*ft_lstnew(void const *content)
diff --git a/ft_lstsize_bonus.c b/ft_lstsize_bonus.c
index 0613c93..b9d65d2 100644
--- a/ft_lstsize_bonus.c
+++ b/ft_lstsize_bonus.c
@@ -6,11 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/09 09:04:28 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/09 09:20:36 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 04:01:44 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
 #include "libft.h"
 
 int	ft_lstsize(t_list *lst)
diff --git a/ft_memalloc.c b/ft_memalloc.c
index c485bfd..5aab2ec 100644
--- a/ft_memalloc.c
+++ b/ft_memalloc.c
@@ -6,20 +6,13 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:07:14 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/07 10:07:47 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:28:56 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
-#include <string.h>
+#include "libft.h"
 
 void	*ft_memalloc(size_t size)
 {
-	void	*ptr;
-
-	if ((ptr = malloc(size)) == NULL)
-		return (NULL);
-	while (size-- > 0)
-		((unsigned char*)ptr)[size] = 0;
-	return (ptr);
+	return (ft_calloc(size, 1));
 }
diff --git a/ft_memccpy.c b/ft_memccpy.c
index f3dacbc..f95aa03 100644
--- a/ft_memccpy.c
+++ b/ft_memccpy.c
@@ -6,27 +6,26 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:01:53 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/20 12:41:51 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:30:45 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <string.h>
+#include "libft.h"
 
 void	*ft_memccpy(void *dest, const void *src, int c, size_t n)
 {
-	size_t			i;
-	unsigned char	*uc_dest;
-	unsigned char	*uc_src;
+	size_t	i;
+	t_byte	*cast_dest;
+	t_byte	*cast_src;
 
-	uc_dest = (unsigned char*)dest;
-	uc_src = (unsigned char*)src;
-	i = 0;
-	while (i < n)
+	cast_dest = (t_byte*)dest;
+	cast_src = (t_byte*)src;
+	i = -1;
+	while (++i < n)
 	{
-		uc_dest[i] = uc_src[i];
-		if (uc_dest[i] == (unsigned char)c)
-			return (uc_dest + i + 1);
-		i++;
+		cast_dest[i] = cast_src[i];
+		if (cast_dest[i] == (unsigned char)c)
+			return (cast_dest + i + 1);
 	}
 	return (NULL);
 }
diff --git a/ft_memchr.c b/ft_memchr.c
index 934ede8..d2364db 100644
--- a/ft_memchr.c
+++ b/ft_memchr.c
@@ -6,12 +6,11 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 09:55:31 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/20 12:56:46 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:30:55 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "libft.h"
-#include <string.h>
 
 void	*ft_memchr(const void *s, int c, size_t n)
 {
diff --git a/ft_memcpy.c b/ft_memcpy.c
index 642db20..70837bc 100644
--- a/ft_memcpy.c
+++ b/ft_memcpy.c
@@ -6,23 +6,17 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:00:07 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/21 11:17:05 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:20:29 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <string.h>
+#include "libft.h"
 
 void	*ft_memcpy(void *dest, const void *src, size_t n)
 {
-	size_t	i;
-
-	if (dest == NULL)
-		return (NULL);
-	i = 0;
-	while (i < n)
-	{
-		*((char*)dest + i) = *((char*)src + i);
-		i++;
-	}
+	if (dest == src)
+		return (dest);
+	while (n-- > 0)
+		*((t_byte*)dest + n) = *((t_byte*)src + n);
 	return (dest);
 }
diff --git a/ft_memdel.c b/ft_memdel.c
index e67f9f3..2b21f33 100644
--- a/ft_memdel.c
+++ b/ft_memdel.c
@@ -6,11 +6,11 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:00:56 by cacharle          #+#    #+#             */
-/*   Updated: 2019/11/20 01:57:44 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:22:41 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
+#include "libft.h"
 
 void	ft_memdel(void **ap)
 {
diff --git a/ft_memmove.c b/ft_memmove.c
index 0b7e430..aa107bd 100644
--- a/ft_memmove.c
+++ b/ft_memmove.c
@@ -6,12 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:03:21 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/21 11:07:04 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:31:00 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
-#include <string.h>
 #include "libft.h"
 
 void	*ft_memmove(void *dst, const void *src, size_t len)
diff --git a/ft_memset.c b/ft_memset.c
index c1fcda6..cd7616c 100644
--- a/ft_memset.c
+++ b/ft_memset.c
@@ -6,23 +6,15 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:01:23 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/21 11:35:07 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:22:29 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <string.h>
 #include "libft.h"
 
 void	*ft_memset(void *s, int c, size_t n)
 {
-	t_byte	cast_c;
-	t_byte	*cast_s;
-
-	if (s == NULL)
-		return (NULL);
-	cast_c = (t_byte)c;
-	cast_s = (t_byte*)s;
 	while (n-- > 0)
-		*cast_s++ = cast_c;
+		*((t_byte*)s + n) = (t_byte)c;
 	return (s);
 }
diff --git a/ft_putchar.c b/ft_putchar.c
index 0e01aea..2838f0a 100644
--- a/ft_putchar.c
+++ b/ft_putchar.c
@@ -6,11 +6,11 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 09:53:31 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/09 08:45:20 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:49:14 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <unistd.h>
+#include "libft.h"
 
 void	ft_putchar(char c)
 {
diff --git a/ft_putchar_fd.c b/ft_putchar_fd.c
index a06b8b1..97d6f7a 100644
--- a/ft_putchar_fd.c
+++ b/ft_putchar_fd.c
@@ -6,12 +6,11 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:42:34 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/07 10:42:40 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:49:28 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <unistd.h>
-#include <limits.h>
+#include "libft.h"
 
 void	ft_putchar_fd(char c, int fd)
 {
diff --git a/ft_putendl.c b/ft_putendl.c
index 719331b..880977e 100644
--- a/ft_putendl.c
+++ b/ft_putendl.c
@@ -6,15 +6,13 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:42:54 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/18 12:08:37 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 04:00:32 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <unistd.h>
 #include "libft.h"
 
 void	ft_putendl(char *s)
 {
-	ft_putstr(s);
-	ft_putchar('\n');
+	ft_putendl_fd(s, STDOUT_FILENO);
 }
diff --git a/ft_putendl_fd.c b/ft_putendl_fd.c
index 8b77884..a8077fc 100644
--- a/ft_putendl_fd.c
+++ b/ft_putendl_fd.c
@@ -6,11 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:44:06 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/07 13:32:37 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 04:00:07 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <limits.h>
 #include "libft.h"
 
 void	ft_putendl_fd(char *s, int fd)
diff --git a/ft_putnbr.c b/ft_putnbr.c
index 9e1f894..247df40 100644
--- a/ft_putnbr.c
+++ b/ft_putnbr.c
@@ -6,24 +6,13 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 09:52:33 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/07 09:53:09 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:59:34 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <unistd.h>
 #include "libft.h"
 
 void	ft_putnbr(int n)
 {
-	unsigned int	p_n;
-
-	p_n = n;
-	if (n < 0)
-	{
-		ft_putchar('-');
-		p_n = -n;
-	}
-	if (p_n > 9)
-		ft_putnbr(p_n / 10);
-	ft_putchar(p_n % 10 + '0');
+	ft_putnbr_fd(n, STDOUT_FILENO);
 }
diff --git a/ft_putnbr_fd.c b/ft_putnbr_fd.c
index 562d289..169d1b5 100644
--- a/ft_putnbr_fd.c
+++ b/ft_putnbr_fd.c
@@ -6,12 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:40:35 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/07 10:40:52 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:46:11 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <unistd.h>
-#include <limits.h>
 #include "libft.h"
 
 void	ft_putnbr_fd(int n, int fd)
@@ -28,5 +26,5 @@ void	ft_putnbr_fd(int n, int fd)
 	}
 	if (p_n > 9)
 		ft_putnbr_fd(p_n / 10, fd);
-	ft_putchar_fd(p_n % 10 + '0', fd);
+	ft_putchar_fd(p_n % 10 | 0x30, fd);
 }
diff --git a/ft_putstr.c b/ft_putstr.c
index 1175e68..14b01a3 100644
--- a/ft_putstr.c
+++ b/ft_putstr.c
@@ -6,16 +6,13 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 09:52:12 by cacharle          #+#    #+#             */
-/*   Updated: 2019/11/20 02:03:11 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:48:48 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <unistd.h>
 #include "libft.h"
 
 void	ft_putstr(char const *s)
 {
-	if (s == NULL)
-		return ;
-	write(STDOUT_FILENO, s, ft_strlen(s));
+	ft_putstr_fd((char*)s, STDOUT_FILENO);
 }
diff --git a/ft_putstr_fd.c b/ft_putstr_fd.c
index 1f2bbda..d0279ab 100644
--- a/ft_putstr_fd.c
+++ b/ft_putstr_fd.c
@@ -6,17 +6,15 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:40:15 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/07 13:26:14 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:47:59 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <unistd.h>
-#include <limits.h>
+#include "libft.h"
 
 void	ft_putstr_fd(char *s, int fd)
 {
 	if (s == NULL || fd < 0 || fd > OPEN_MAX)
 		return ;
-	while (*s)
-		write(fd, s++, 1);
+	write(fd, s, ft_strlen(s));
 }
diff --git a/ft_split.c b/ft_split.c
index d4ceabf..999c664 100644
--- a/ft_split.c
+++ b/ft_split.c
@@ -6,11 +6,11 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/17 08:29:02 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/17 08:39:40 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:54:26 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
+#include "libft.h"
 
 static size_t	count_segment(char const *s, char c)
 {
@@ -52,11 +52,10 @@ static char		*ft_strndup(const char *s1, size_t n)
 
 static void		*destroy_strs(char **strs)
 {
-	int i;
-
-	i = 0;
-	while (strs[i] != NULL)
-		free(strs[i++]);
+	if (strs == NULL)
+		return (NULL);
+	while (*strs != NULL)
+		free(*strs++);
 	free(strs);
 	return (NULL);
 }
diff --git a/ft_strchr.c b/ft_strchr.c
index 45eecdd..0ae161b 100644
--- a/ft_strchr.c
+++ b/ft_strchr.c
@@ -6,11 +6,11 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:14:47 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/20 13:10:19 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 04:02:02 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
+#include "libft.h"
 
 char	*ft_strchr(const char *s, int c)
 {
@@ -20,7 +20,7 @@ char	*ft_strchr(const char *s, int c)
 			return ((char*)s);
 		s++;
 	}
-	if ((char)c == 0)
+	if ((char)c == '\0')
 		return ((char*)s);
 	return (NULL);
 }
diff --git a/ft_strdup.c b/ft_strdup.c
index f0f8a06..65a6ac6 100644
--- a/ft_strdup.c
+++ b/ft_strdup.c
@@ -6,28 +6,17 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:18:07 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/18 14:28:41 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:13:47 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
 #include "libft.h"
 
 char	*ft_strdup(const char *s)
 {
 	char	*clone;
-	size_t	i;
-	size_t	len;
 
-	len = ft_strlen(s);
-	if ((clone = (char*)malloc(sizeof(char) * (len + 1))) == NULL)
+	if ((clone = ft_strnew(ft_strlen(s))) == NULL)
 		return (NULL);
-	i = 0;
-	while (i < len)
-	{
-		clone[i] = s[i];
-		i++;
-	}
-	clone[i] = '\0';
-	return (clone);
+	return (ft_strcpy(clone, s));
 }
diff --git a/ft_strjoin.c b/ft_strjoin.c
index 0078d65..2bc4908 100644
--- a/ft_strjoin.c
+++ b/ft_strjoin.c
@@ -6,11 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:35:26 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/07 10:38:07 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 04:02:20 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
 #include "libft.h"
 
 char	*ft_strjoin(char const *s1, char const *s2)
@@ -19,9 +18,7 @@ char	*ft_strjoin(char const *s1, char const *s2)
 
 	if (s1 == NULL || s2 == NULL)
 		return (NULL);
-	if ((joined = (char*)malloc(sizeof(char)
-			* (ft_strlen(s1) + ft_strlen(s2) + 1))) == NULL)
+	if ((joined = ft_strnew(ft_strlen(s1) + ft_strlen(s2))) == NULL)
 		return (NULL);
-	joined = ft_strcpy(joined, s1);
-	return (ft_strcat(joined, s2));
+	return (ft_strcat(ft_strcpy(joined, s1), s2));
 }
diff --git a/ft_strlcat.c b/ft_strlcat.c
index 109d390..ce7fa0b 100644
--- a/ft_strlcat.c
+++ b/ft_strlcat.c
@@ -6,11 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:31:37 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/20 13:16:45 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:31:08 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <string.h>
 #include "libft.h"
 
 size_t	ft_strlcat(char *dst, const char *src, size_t size)
diff --git a/ft_strlcpy.c b/ft_strlcpy.c
index 0b1b0d4..6afb8f5 100644
--- a/ft_strlcpy.c
+++ b/ft_strlcpy.c
@@ -6,11 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 12:28:47 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/21 11:05:52 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:31:16 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <string.h>
 #include "libft.h"
 
 size_t	ft_strlcpy(char *dst, const char *src, size_t size)
diff --git a/ft_strlen.c b/ft_strlen.c
index 8a5431b..dc612a8 100644
--- a/ft_strlen.c
+++ b/ft_strlen.c
@@ -6,11 +6,11 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:32:48 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/18 13:07:56 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:31:28 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <string.h>
+#include "libft.h"
 
 size_t	ft_strlen(const char *s)
 {
diff --git a/ft_strmap.c b/ft_strmap.c
index 74e3820..61d16f1 100644
--- a/ft_strmap.c
+++ b/ft_strmap.c
@@ -6,11 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:29:52 by cacharle          #+#    #+#             */
-/*   Updated: 2019/11/20 02:02:23 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 04:02:11 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
 #include "libft.h"
 
 char	*ft_strmap(char const *s, char (*f)(char))
diff --git a/ft_strmapi.c b/ft_strmapi.c
index 7784980..71d77e4 100644
--- a/ft_strmapi.c
+++ b/ft_strmapi.c
@@ -6,11 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:29:32 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/07 13:22:15 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 04:02:15 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
 #include "libft.h"
 
 char	*ft_strmapi(char *s, char (*f)(unsigned int, char))
diff --git a/ft_strncat.c b/ft_strncat.c
index 3bbb41f..d68db0a 100644
--- a/ft_strncat.c
+++ b/ft_strncat.c
@@ -6,20 +6,18 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:28:37 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/07 10:30:53 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:33:22 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <string.h>
+#include "libft.h"
 
 char	*ft_strncat(char *dest, const char *src, size_t n)
 {
 	size_t	i;
 	size_t	j;
 
-	i = 0;
-	while (dest[i])
-		i++;
+	i = ft_strlen(dest);
 	j = 0;
 	while (j < n && src[j])
 	{
diff --git a/ft_strncmp.c b/ft_strncmp.c
index e8188d0..46f79c2 100644
--- a/ft_strncmp.c
+++ b/ft_strncmp.c
@@ -6,11 +6,11 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:27:34 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/21 11:04:38 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:33:59 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <string.h>
+#include "libft.h"
 
 int	ft_strncmp(const char *s1, const char *s2, size_t n)
 {
diff --git a/ft_strncpy.c b/ft_strncpy.c
index 4a4efed..5f4c69f 100644
--- a/ft_strncpy.c
+++ b/ft_strncpy.c
@@ -6,11 +6,11 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:26:59 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/07 10:28:17 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:36:05 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <string.h>
+#include "libft.h"
 
 char	*ft_strncpy(char *dest, const char *src, size_t n)
 {
@@ -22,7 +22,6 @@ char	*ft_strncpy(char *dest, const char *src, size_t n)
 		dest[i] = src[i];
 		i++;
 	}
-	while (i < n)
-		dest[i++] = '\0';
+	ft_bzero(dest + i, n - i);
 	return (dest);
 }
diff --git a/ft_strnew.c b/ft_strnew.c
index 4274d5d..1bca6d5 100644
--- a/ft_strnew.c
+++ b/ft_strnew.c
@@ -6,21 +6,13 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:17:34 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/07 10:17:59 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:16:14 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
-#include <string.h>
+#include "libft.h"
 
 char	*ft_strnew(size_t size)
 {
-	char	*str;
-
-	if ((str = (char*)malloc(sizeof(char) * (size + 1))) == NULL)
-		return (NULL);
-	str[size] = '\0';
-	while (size-- > 0)
-		str[size] = '\0';
-	return (str);
+	return ((char*)ft_calloc(size + 1, sizeof(char)));
 }
diff --git a/ft_strnstr.c b/ft_strnstr.c
index 4ca9f4b..4995637 100644
--- a/ft_strnstr.c
+++ b/ft_strnstr.c
@@ -6,12 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:25:13 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/21 11:04:56 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:58:42 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
-#include <string.h>
 #include "libft.h"
 
 char	*ft_strnstr(const char *haystack, const char *needle, size_t len)
@@ -23,7 +21,7 @@ char	*ft_strnstr(const char *haystack, const char *needle, size_t len)
 		return ((char*)haystack);
 	while (*haystack && len-- >= needle_len)
 	{
-		if (ft_strncmp(haystack, needle, needle_len) == 0)
+		if (ft_strnequ(haystack, needle, needle_len))
 			return ((char*)haystack);
 		haystack++;
 	}
diff --git a/ft_strrchr.c b/ft_strrchr.c
index 5653c2b..56c8be5 100644
--- a/ft_strrchr.c
+++ b/ft_strrchr.c
@@ -6,11 +6,10 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:26:24 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/20 13:11:13 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:36:47 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <string.h>
 #include "libft.h"
 
 char	*ft_strrchr(const char *s, int c)
diff --git a/ft_strstr.c b/ft_strstr.c
index f71423f..4d4d403 100644
--- a/ft_strstr.c
+++ b/ft_strstr.c
@@ -6,34 +6,24 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:15:29 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/07 10:21:49 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:58:32 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
-#include <string.h>
 #include "libft.h"
 
 char	*ft_strstr(const char *haystack, const char *needle)
 {
-	size_t	i;
-	char	*cursor;
+	size_t	needle_len;
 
-	cursor = (char*)haystack;
-	if (!ft_strlen(needle))
-		return (cursor);
-	while (*cursor)
+	needle_len = ft_strlen(needle);
+	if (needle_len == 0)
+		return ((char*)haystack);
+	while (*haystack)
 	{
-		i = 0;
-		while (needle[i] && cursor[i])
-		{
-			if (needle[i] != cursor[i])
-				break ;
-			i++;
-		}
-		if (i == ft_strlen(needle))
-			return (cursor);
-		cursor++;
+		if (ft_strnequ(haystack, needle, needle_len))
+			return ((char*)haystack);
+		haystack++;
 	}
 	return (NULL);
 }
diff --git a/ft_strtrim.c b/ft_strtrim.c
index 8cde14e..aa48826 100644
--- a/ft_strtrim.c
+++ b/ft_strtrim.c
@@ -6,18 +6,16 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:24:16 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/14 13:22:33 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:52:58 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
 #include "libft.h"
 
 char	*ft_strtrim(char const *s1, char const *set)
 {
 	size_t	start;
 	size_t	len;
-	char	*trimed;
 
 	if (s1 == NULL || set == NULL)
 		return (NULL);
@@ -29,9 +27,5 @@ char	*ft_strtrim(char const *s1, char const *set)
 		while (s1[start + len - 1]
 				&& ft_strchr(set, s1[start + len - 1]) != NULL)
 			len--;
-	if ((trimed = (char*)malloc(sizeof(char) * (len + 1))) == NULL)
-		return (NULL);
-	trimed = ft_strncpy(trimed, &s1[start], len);
-	trimed[len] = '\0';
-	return (trimed);
+	return (ft_substr(s1, start, len));
 }
diff --git a/ft_substr.c b/ft_substr.c
index 88f7203..84d6c58 100644
--- a/ft_substr.c
+++ b/ft_substr.c
@@ -6,31 +6,21 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/17 08:28:49 by cacharle          #+#    #+#             */
-/*   Updated: 2019/10/18 11:55:44 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:57:58 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stdlib.h>
 #include "libft.h"
 
 char	*ft_substr(char const *s, unsigned int start, size_t len)
 {
-	unsigned int	i;
 	char			*sub;
 
 	if (s == NULL)
 		return (NULL);
-	if ((sub = (char*)malloc(sizeof(char) * (len + 1))) == NULL)
+	if ((sub = ft_strnew(len)) == NULL)
 		return (NULL);
-	i = 0;
-	if (!(start > ft_strlen(s)))
-	{
-		while (i < len && s[start + i])
-		{
-			sub[i] = s[start + i];
-			i++;
-		}
-	}
-	sub[i] = '\0';
-	return (sub);
+	if (start > ft_strlen(s))
+		return (sub);
+	return (ft_strncpy(sub, s + start, len));
 }
diff --git a/libft.h b/libft.h
index f337e14..1bf7fe7 100644
--- a/libft.h
+++ b/libft.h
@@ -6,26 +6,26 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 09:45:02 by cacharle          #+#    #+#             */
-/*   Updated: 2019/11/20 02:01:10 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/20 03:46:20 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #ifndef LIBFT_H
 # define LIBFT_H
 
+# include <unistd.h>
 # include <stdlib.h>
-# include <string.h>
+# include <stddef.h>
+# include <limits.h>
 
 # define TRUE 1
 # define FALSE 0
 
 typedef unsigned char	t_byte;
 
-typedef struct		s_list
-{
-	void			*content;
-	struct s_list	*next;
-}					t_list;
+/*
+** memory
+*/
 
 void				*ft_memset(void *s, int c, size_t n);
 void				ft_bzero(void *s, size_t n);
@@ -34,6 +34,14 @@ void				*ft_memccpy(void *dest, const void *src, int c, size_t n);
 void				*ft_memmove(void *dst, const void *src, size_t len);
 void				*ft_memchr(const void *s, int c, size_t n);
 int					ft_memcmp(const void *s1, const void *s2, size_t n);
+
+void				*ft_memalloc(size_t size);
+void				ft_memdel(void **ap);
+
+/*
+** string
+*/
+
 size_t				ft_strlen(const char *s);
 char				*ft_strdup(const char *s);
 char				*ft_strcpy(char *dest, const char *src);
@@ -49,22 +57,13 @@ char				*ft_strnstr(const char *haystack,
 								const char *needle, size_t len);
 int					ft_strcmp(const char *s1, const char *s2);
 int					ft_strncmp(const char *s1, const char *s2, size_t n);
+void				ft_striter(char *s, void (*f)(char *));
+void				ft_striteri(char *s, void (*f)(unsigned int, char *));
 int					ft_atoi(const char *nptr);
-int					ft_isalpha(int c);
-int					ft_isdigit(int c);
-int					ft_isalnum(int c);
-int					ft_isascii(int c);
-int					ft_isprint(int c);
-int					ft_toupper(int c);
-int					ft_tolower(int c);
-void				*ft_calloc(size_t count, size_t size);
-void				*ft_memalloc(size_t size);
-void				ft_memdel(void **ap);
+
 char				*ft_strnew(size_t size);
 void				ft_strdel(char **as);
 void				ft_strclr(char *s);
-void				ft_striter(char *s, void (*f)(char *));
-void				ft_striteri(char *s, void (*f)(unsigned int, char *));
 char				*ft_strmap(char const *s, char (*f)(char));
 char				*ft_strmapi(char *s, char (*f)(unsigned int, char));
 int					ft_strequ(char const *s1, char const *s2);
@@ -73,7 +72,30 @@ 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);
+
+/*
+** character
+*/
+
+int					ft_isalpha(int c);
+int					ft_isdigit(int c);
+int					ft_isalnum(int c);
+int					ft_isascii(int c);
+int					ft_isprint(int c);
+int					ft_toupper(int c);
+int					ft_tolower(int c);
+
+/*
+** allocation
+*/
+
+void				*ft_calloc(size_t count, size_t size);
 char				*ft_itoa(int n);
+
+/*
+** fildes
+*/
+
 void				ft_putendl(char *s);
 void				ft_putchar(char c);
 void				ft_putstr(char const *s);
@@ -84,9 +106,15 @@ void				ft_putendl_fd(char *s, int fd);
 void				ft_putnbr_fd(int n, int fd);
 
 /*
-** bonus
+** list
 */
 
+typedef struct		s_list
+{
+	void			*content;
+	struct s_list	*next;
+}					t_list;
+
 t_list				*ft_lstnew(void const *content);
 void				ft_lstadd_front(t_list **alst, t_list *new);
 int					ft_lstsize(t_list *lst);