diff --git a/Makefile b/Makefile
index 712b583..ca342cd 100644
--- a/Makefile
+++ b/Makefile
@@ -21,6 +21,7 @@ LIBS	=	$(_LIBS:lib%.a=%)
 
 SRCS	=	pushswap.c \
 			algo.c \
+			print.c \
 			stop.c
 
 ODIR	=	./builds
@@ -52,7 +53,6 @@ clean:
 	/bin/rm -f $(OBJS)
 
 fclean: clean
-	make fclean -C $(LDIR)
 	/bin/rm -rf $(ODIR)
 	/bin/rm -f $(NAME)
 	/bin/rm -rf a.out a.out.dSYM
diff --git a/builds/algo.o b/builds/algo.o
index 1a7a024..0999852 100644
Binary files a/builds/algo.o and b/builds/algo.o differ
diff --git a/builds/print.o b/builds/print.o
new file mode 100644
index 0000000..5e01507
Binary files /dev/null and b/builds/print.o differ
diff --git a/builds/pushswap.o b/builds/pushswap.o
index ad292ed..77f8165 100644
Binary files a/builds/pushswap.o and b/builds/pushswap.o differ
diff --git a/builds/stop.o b/builds/stop.o
index e70f53f..812c4e8 100644
Binary files a/builds/stop.o and b/builds/stop.o differ
diff --git a/includes/pushswap.h b/includes/pushswap.h
index 946b7f8..ab00aef 100644
--- a/includes/pushswap.h
+++ b/includes/pushswap.h
@@ -15,22 +15,27 @@ typedef struct		s_stack
 /*
 ** pushswap.c
 */
-void		is_valid(int ac, char **av)
-t_stack		*init_stack(int ac, char **av)
-void		print_stack(t_stack *stack)
+void		is_valid(int ac, char **av);
+t_stack		*init_stack(int ac, char **av);
 
 /*
 **	stop.c
 */
 void		ps_usage(void);
 void		ps_error(int err);
-void		stop(t_stack *stb, t_stack *sta, t_list *lst, int i);
+void		ps_stop(t_stack *stb, t_stack *sta, t_list *lst, int i);
 
 /*
 ** algo.c
 */
 t_list		*sort_algo(t_stack *stack);
 
+/*
+** print.c
+*/
+void		print_stack(t_stack *stack);
+
+
 /*
 ** swap
 */
diff --git a/pushswap b/pushswap
index 487e881..7b15bce 100755
Binary files a/pushswap and b/pushswap differ
diff --git a/srcs/algo.c b/srcs/algo.c
index ab1f744..8bd20a5 100644
--- a/srcs/algo.c
+++ b/srcs/algo.c
@@ -7,6 +7,6 @@ t_list	*sort_algo(t_stack *stack)
 	(void)stack;
 	t_list	*lst;
 
-	lst = ft_lstnew("solution");
+	lst = ft_lstnew(ft_strdup("solution"));
 	return (lst);
 }
diff --git a/srcs/print.c b/srcs/print.c
new file mode 100644
index 0000000..ee38810
--- /dev/null
+++ b/srcs/print.c
@@ -0,0 +1,16 @@
+
+#include "pushswap.h"
+
+void	print_stack(t_stack *stack)
+{
+	ft_putstr("[");
+	while (stack)
+	{
+		ft_printf("%i", stack->n);
+		stack = stack->next;
+		if (stack)
+			ft_putstr("; ");
+	}
+	ft_putstr("]\n");
+}
+
diff --git a/srcs/pushswap.c b/srcs/pushswap.c
index f20ddd6..5ec7549 100644
--- a/srcs/pushswap.c
+++ b/srcs/pushswap.c
@@ -4,7 +4,7 @@
 void	is_valid(int ac, char **av)
 {
 	if (ac < 2)
-		ps_error(1);
+		ps_stop(NULL, NULL, NULL, 1);
 	(void)av;
 	// check more error
 }
@@ -18,7 +18,7 @@ t_stack	*init_stack(int ac, char **av)
 	while (--ac)
 	{
 		if (!(start = ft_calloc(1, sizeof(t_stack))))
-			ps_clean(start, 2);
+			ps_stop(start, NULL, NULL, 2);
 		start->n = ft_atoi(av[ac]);
 		start->next = tmp;
 		tmp = start;
@@ -26,19 +26,6 @@ t_stack	*init_stack(int ac, char **av)
 	return (start);
 }
 
-void	print_stack(t_stack *stack)
-{
-	ft_putstr("[");
-	while (stack)
-	{
-		ft_printf("%i", stack->n);
-		stack = stack->next;
-		if (stack)
-			ft_putstr("; ");
-	}
-	ft_putstr("]\n");
-}
-
 int		main(int ac, char **av)
 {
 	t_stack		*stack;
@@ -49,6 +36,6 @@ int		main(int ac, char **av)
 	print_stack(stack);
 	result = sort_algo(stack);
 	ft_printf("%s\n", result->content);
-	ps_clean(stack, 1);
+	ps_stop(stack, NULL, result, 0);
 	return(0);
 }
diff --git a/srcs/stop.c b/srcs/stop.c
index bf27e54..6f00162 100644
--- a/srcs/stop.c
+++ b/srcs/stop.c
@@ -15,12 +15,12 @@ void	ps_error(int err)
 	exit(0);
 }
 
-void	stop(t_stack *stack_a, t_stack *stack_b, t_list *solution, int err)
+void	ps_stop(t_stack *stack_a, t_stack *stack_b, t_list *solution, int err)
 {
 	if (stack_a)
-		ft_lstclear((t_list)&stack_a, NULL);
+		ft_lstclear((t_list **)&stack_a, NULL);
 	if (stack_b)
-		ft_lstclear((t_list)&stack_b, NULL);
+		ft_lstclear((t_list **)&stack_b, NULL);
 	if (solution)
 		ft_lstclear(&solution, free);
 	ps_error(err);