ajout des fonctions atol free_tab et isnumber

testing/includes/libftest.h

@@ -1,7 +1,11 @@
 #ifndef LIBFTEST_H
 # define LIBFTEST_H
 # include "libft.h"
-# include <stdio.h>
+# include <unistd.h>	// for write
+# include <stdio.h>		// for printf
+# include <stdlib.h>	// for malloc
+# include <string.h>	// for strdup and strlen and strcmp
+# include <ctype.h>		// for characters like isalpha or isdigit etc
 
 # define RED write(1, "\033[91m", 5);
 # define GREEN write(1, "\033[92m", 5);