diff --git a/Makefile b/Makefile
index 275f740..8752a49 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ NAME = philo
 
 CC = clang
 
-CFLAGS = -Wall -Wextra $(INCLUDES) -g # add -Werror, del -g
+CFLAGS = -Wall -Wextra -Werror $(INCLUDES) -g3 # del g3
 
 VPATH  = $(DIR_SRCS)
 DIR_SRCS =	srcs
diff --git a/headers/philo_struct.h b/headers/philo_struct.h
index a57aa78..6d9440b 100644
--- a/headers/philo_struct.h
+++ b/headers/philo_struct.h
@@ -17,7 +17,7 @@ typedef struct s_philo
 	t_params		*params;
 	int				philo_nbr;
 	int				fork;
-	t_mtx			*msg_mtx;
+	t_mtx			*m_print;
 	struct s_philo	*prev;
 	struct s_philo	*next;
 }					t_philo;
diff --git a/srcs/exec.c b/srcs/exec.c
index 481c335..583844a 100644
--- a/srcs/exec.c
+++ b/srcs/exec.c
@@ -24,11 +24,9 @@ void	*philo_exec(void *arg)
 	philo = (t_philo*)arg;
 	nbr = philo->philo_nbr;
 
-		pthread_mutex_lock(philo->msg_mtx);
-// pthread_mutex_lock(&mutex);
-		ft_printf("%i is thinking\n", philo->philo_nbr);
-		pthread_mutex_unlock(philo->msg_mtx);
-// pthread_mutex_unlock(&mutex);
+pthread_mutex_lock(philo->m_print);
+ft_printf("%i is thinking\n", philo->philo_nbr);
+pthread_mutex_unlock(philo->m_print);
 
 // eat
 	// "has taken a fork"
diff --git a/srcs/init.c b/srcs/init.c
index 5c6d5a0..da20d78 100644
--- a/srcs/init.c
+++ b/srcs/init.c
@@ -1,6 +1,6 @@
 #include "philo.h"
 
-t_philo	*create_each_philo(t_philo *philo, t_params *params, t_mtx *mtx, int i)
+t_philo	*lst_add_philo(t_philo *philo, t_params *params, t_mtx *m_print, int i)
 {
 	t_philo	*new;
 
@@ -10,7 +10,7 @@ t_philo	*create_each_philo(t_philo *philo, t_params *params, t_mtx *mtx, int i)
 	new->params = params;
 	new->philo_nbr = i + 1;
 	new->fork = 1;
-	new->msg_mtx = mtx;
+	new->m_print = m_print;
 	if (philo)
 		philo->next = new;
 	new->prev = philo;
@@ -18,7 +18,7 @@ t_philo	*create_each_philo(t_philo *philo, t_params *params, t_mtx *mtx, int i)
 }
 
 // looping chained list
-t_philo	*init_chain_philo(t_params *params, t_mtx *mutex)
+t_philo	*init_chain_philo(t_params *params, t_mtx *m_print)
 {
 	t_philo	*end;
 	t_philo	*philo;
@@ -28,7 +28,7 @@ t_philo	*init_chain_philo(t_params *params, t_mtx *mutex)
 	philo = NULL;
 	while (i < params->n_phi)
 	{
-		philo = create_each_philo(philo, params, mutex, i);
+		philo = lst_add_philo(philo, params, m_print, i);
 		i++;
 	}
 	end = philo;
@@ -67,10 +67,10 @@ t_philo	*init(int ac, char **av, pthread_t **id)
 	params = init_params(ac, av);
 	if (params == NULL)
 		return (NULL);
-	*id = malloc(sizeof(int) * params->n_phi);
+	*id = malloc(sizeof(pthread_t) * params->n_phi);
 	if (*id == NULL)
 		return (NULL);
-	m_print = NULL;
+	m_print = malloc(sizeof(t_mtx));
 	if (pthread_mutex_init(m_print, NULL) != 0)
 		return (NULL);
 	philo = init_chain_philo(params, m_print);
diff --git a/srcs/main.c b/srcs/main.c
index f700eda..a0ae8df 100644
--- a/srcs/main.c
+++ b/srcs/main.c
@@ -1,6 +1,6 @@
 #include "philo.h"
 
-void	create_threads(t_philo *philo, pthread_t *id, int n)
+void	launch_threads(t_philo *philo, pthread_t *id, int n)
 {
 	int			i;
 
@@ -24,7 +24,7 @@ int	main(int ac, char **av)
 	if (philo == NULL)
     	return (0);
 	n = philo->params->n_phi;
-	create_threads(philo, id, n);
+	launch_threads(philo, id, n);
 	i = 0;
 	while (i < n)
 	{