diff --git a/philo_one/includes/philo_header.h b/philo_one/includes/philo_header.h
index e69de29..804d75c 100644
--- a/philo_one/includes/philo_header.h
+++ b/philo_one/includes/philo_header.h
@@ -0,0 +1,24 @@
+#ifndef PHILO_HEADER_H
+# define PHILO_HEADER_H
+
+# include <stdlib.h>
+# include <unistd.h>
+# include <pthread.h>
+# include <sys/time.h>
+# include <stdio.h>
+
+
+typedef struct	s_all
+{
+	int number_of_philosophers;
+	int time_to_die;
+	int time_to_eat;
+	int time_to_sleep;
+	int number_of_times_each_philosopher_must_eat;
+}				t_all;
+
+void	*ft_calloc(size_t num, size_t size);
+t_all	*structalloc_and_bzero(void);
+int		parse_and_check_values(char **argv, int quantity);
+
+#endif
diff --git a/philo_one/srcs/main.c b/philo_one/srcs/main.c
index e69de29..a728aa3 100644
--- a/philo_one/srcs/main.c
+++ b/philo_one/srcs/main.c
@@ -0,0 +1,15 @@
+#include "../includes/philo_header.h"
+
+
+
+int		parse_and_check_values(char **argv, int quantity)
+{
+	t_all *all;
+
+	all = structalloc_and_bzero();
+}
+
+int		main(int argc, char **argv)
+{
+
+}
diff --git a/philo_one/srcs/utilc.c b/philo_one/srcs/utilc.c
new file mode 100644
index 0000000..e201a5f
--- /dev/null
+++ b/philo_one/srcs/utilc.c
@@ -0,0 +1,31 @@
+#include "../includes/philo_header.h"
+
+void	*ft_calloc(size_t num, size_t size)
+{
+	void			*addr;
+	unsigned int	nbytes;
+
+	nbytes = num * size;
+	addr = malloc(nbytes);
+	if (!size || !num || (size == 0 && num == 0))
+		return ((void *)addr);
+	if (!addr)
+		return (NULL);
+	else
+	{
+		memset(addr, '\0', nbytes);
+	}
+	return ((void *)addr);
+}
+
+t_all	*structalloc_and_bzero(void)
+{
+	t_all *all;
+
+	all = ft_calloc(sizeof(t_all), 1);
+	all->number_of_philosophers = 0;
+	all->time_to_die = 0;
+	all->time_to_eat = 0;
+	all->time_to_sleep = 0;
+	all->number_of_times_each_philosopher_must_eat = 0;
+}