diff --git a/push_swap.h b/push_swap.h
index 2c4d8cd..c93124d 100644
--- a/push_swap.h
+++ b/push_swap.h
@@ -6,7 +6,7 @@
 /*   By: dgaillet <dgaillet@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/12/08 14:18:06 by dgaillet          #+#    #+#             */
-/*   Updated: 2025/12/08 14:39:22 by dgaillet         ###   ########lyon.fr   */
+/*   Updated: 2025/12/08 15:34:51 by mteriier         ###   ########lyon.fr   */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -26,4 +26,17 @@ typedef struct s_stacks
 	t_stack	*b;
 }	t_stacks;
 
+/*STACK_FUNCTIONS*/
+void	pa(t_stacks *stacks);
+void	pb(t_stacks *stacks);
+void	rra(t_stacks *stacks);
+void	rrb(t_stacks *stacks);
+void	rrr(t_stacks *stacks);
+void	ra(t_stacks *stacks);
+void	rb(t_stacks *stacks);
+void	rr(t_stacks *stacks);
+void	sa(t_stacks *stacks);
+void	sb(t_stacks *stacks);
+void	ss(t_stacks *stacks);
+
 #endif
diff --git a/stack_functions/push.c b/stack_functions/push.c
index dc0d101..ec8944e 100644
--- a/stack_functions/push.c
+++ b/stack_functions/push.c
@@ -6,7 +6,7 @@
 /*   By: mteriier <mteriier@student.42lyon.fr>      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/12/08 15:09:40 by mteriier          #+#    #+#             */
-/*   Updated: 2025/12/08 15:28:53 by mteriier         ###   ########lyon.fr   */
+/*   Updated: 2025/12/08 15:35:23 by mteriier         ###   ########lyon.fr   */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -19,7 +19,7 @@ void	pa(t_stacks *stacks)
 	if (!stacks || !stacks->b)
 		return ;
 	a = stack->a;
-	a-value = stacks->b->value;
+	a->value = stacks->b->value;
 }
 
 void	pb(t_stacks *stacks)