diff --git a/Makefile b/Makefile
index b158635..220b3a4 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@
 #    By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2022/09/27 04:19:30 by erey-bet          #+#    #+#              #
-#    Updated: 2022/10/14 22:38:25 by erey-bet         ###   ########.fr        #
+#    Updated: 2022/10/15 15:06:59 by erey-bet         ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
@@ -18,13 +18,16 @@ ft_substr.c ft_strjoin.c ft_strtrim.c ft_split.c ft_itoa.c ft_strmapi.c \
 ft_striteri.c ft_putchar_fd.c ft_putstr_fd.c ft_putendl_fd.c ft_putnbr_fd.c \
 ft_get_size.c ft_power.c
 OBJS = ${SRCS:.c=.o}
-BONUS = ft_lstnew.c ft_lstadd_front.c ft_lstsize.c ft_lstlast.c \
+BONUS_SRCS = 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 
-BONUS_OBJS = ${BONUS:.c=.o}
+BONUS_OBJS = ${BONUS_SRCS:.c=.o}
 CC = gcc
 CFLAGS = -Wall -Wextra -Werror
 NAME = libft.a
 
+ifdef BONUS 
+	SRCS += ${BONUS_SRCS}
+endif
 
 all: ${NAME}
 
@@ -42,8 +45,8 @@ fclean: clean
 
 re: fclean all
 
-bonus: ${BONUS_OBJS}
-	ar -rc ${NAME} ${BONUS_OBJS}
+bonus: 
+	@make BONUS=1
 
 coffee:
 	@clear
diff --git a/ft_atoi.c b/ft_atoi.c
index fe22ca5..a723bf6 100644
--- a/ft_atoi.c
+++ b/ft_atoi.c
@@ -14,8 +14,10 @@
 
 static int	ft_isspace(char c)
 {
-	return (c == ' ' || c == '\f'
-		||c == '\n' || c == '\r' || c == '\t' || c == '\v');
+	if (c == ' ' || c == '\f'
+		||c == '\n' || c == '\r' || c == '\t' || c == '\v')
+		return (1);
+	return (0);
 }
 
 int	ft_atoi(const char *nptr)
diff --git a/ft_memset.c b/ft_memset.c
index 16edf23..5c2adcd 100644
--- a/ft_memset.c
+++ b/ft_memset.c
@@ -6,11 +6,11 @@
 /*   By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/09/26 14:46:33 by erey-bet          #+#    #+#             */
-/*   Updated: 2022/09/26 16:23:39 by erey-bet         ###   ########.fr       */
+/*   Updated: 2022/10/15 23:31:18 by erey-bet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include <stddef.h>
+#include "libft.h"
 
 void	*ft_memset(void *ptr, int v, size_t count)
 {
diff --git a/ft_putnbr_fd.c b/ft_putnbr_fd.c
index 5927b6a..18b3042 100644
--- a/ft_putnbr_fd.c
+++ b/ft_putnbr_fd.c
@@ -6,7 +6,7 @@
 /*   By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/10/05 10:22:16 by erey-bet          #+#    #+#             */
-/*   Updated: 2022/10/10 22:49:10 by erey-bet         ###   ########.fr       */
+/*   Updated: 2022/10/17 13:50:20 by erey-bet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -18,7 +18,7 @@ void	ft_putnbr_fd(int n, int fd)
 	long	nl;
 
 	nl = n;
-	nl *= (n > 0) - (n < 0);
+	nl *= ABS(nl);
 	len = ft_get_size(nl);
 	if (n < 0)
 		ft_putchar_fd('-', fd);
diff --git a/libft.h b/libft.h
index edfd103..5bf1b2a 100644
--- a/libft.h
+++ b/libft.h
@@ -14,6 +14,7 @@
 # define LIBFT_H
 # include <stdlib.h>
 # include <unistd.h>
+# define ABS(X) (X > 0) - (X < 0)
 
 typedef struct s_list
 {