replaced occurrences of last exit_status

+ deleted envp comments
+ WIP Macro exit status
+ TODO : Invalid free of environ in readline

srcs/shell_loop.c

@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/04 05:59:26 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/17 15:29:35 by hulamy           ###   ########.fr       */
+/*   Updated: 2021/11/27 10:47:05 by lperrey          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -46,7 +46,7 @@ void	shell_loop(t_all *c)
 		else if (!line_input)
 		{
 			write(1, "exit\n", 5);
-			free_exit(c, c->last_exit_status);
+			free_exit(c, get_last_exit_status());
 		}
 	}
 }