diff --git a/Makefile b/Makefile
index 69975a7..282d82c 100644
--- a/Makefile
+++ b/Makefile
@@ -14,6 +14,14 @@ DEPS	=	$(_DEP:%.h=$(IDIR)/%.h)
 CFLAGS	=	-I$(IDIR)
 CFLAGS +=	-Wall -Wextra -Werror -g3
 
+# ft_putstr
+# ft_atoi
+# ft_putchar
+# ft_putnbrendl
+# ft_putnbrendl_fd
+# ft_putchar_fd
+# ft_putnbr_fd
+
 SRCS	=	ft_memset.c \
 			ft_bzero.c \
 			ft_memcpy.c \
@@ -25,6 +33,7 @@ SRCS	=	ft_memset.c \
 			ft_isalpha.c \
 			ft_isdigit.c \
 			ft_isalnum.c \
+			ft_isnumber.c \
 			ft_isascii.c \
 			ft_isprint.c \
 			ft_toupper.c \
@@ -37,6 +46,7 @@ SRCS	=	ft_memset.c \
 			ft_strlcat.c \
 			ft_strnstr.c \
 			ft_atoi.c \
+			ft_atol.c \
 			ft_calloc.c \
 			ft_strdup.c \
 			\
@@ -107,7 +117,8 @@ SRCS	=	ft_memset.c \
 			ft_greater.c \
 			ft_smaller.c \
 			ft_sign.c \
-			ft_sqrt.c
+			ft_sqrt.c \
+			ft_free_tab.c
 
 
 ODIR	=	./builds
diff --git a/includes/libft.h b/includes/libft.h
index 6cd98a7..058d3e3 100644
--- a/includes/libft.h
+++ b/includes/libft.h
@@ -27,6 +27,7 @@ int					ft_memcmp(const void *s1, const void *s2, size_t n);
 size_t				ft_strlen(const char *str);
 int					ft_isalpha(int c);
 int					ft_isdigit(int c);
+int					ft_isnumber(char *nb);
 int					ft_isalnum(int c);
 int					ft_isascii(int c);
 int					ft_isprint(int c);
@@ -40,6 +41,7 @@ size_t				ft_strlcpy(char *dst, const char *src, size_t size);
 size_t				ft_strlcat(char *dst, const char *src, size_t size);
 char				*ft_strnstr(const char *b, const char *l, size_t s);
 int					ft_atoi(const char *str);
+long				ft_atol(const char *str);
 void				*ft_calloc(size_t count, size_t size);
 char				*ft_strdup(const char *s1);
 
@@ -109,5 +111,6 @@ int					ft_greater(int a, int b);
 int					ft_smaller(int a, int b);
 int					ft_sign(int i);
 int					ft_sqrt(int i);
+void				ft_free_tab(char **tab);
 
 #endif
diff --git a/srcs/ft_any.c b/srcs/ft_any.c
index 349e3a9..9322945 100644
--- a/srcs/ft_any.c
+++ b/srcs/ft_any.c
@@ -10,6 +10,12 @@
 /*                                                                            */
 /* ************************************************************************** */
 
+/*
+** i don't understand the purpose of this function...
+** it takes a 2D array, and for each array it checks
+** if a function given in parameters is true or false
+*/
+
 #include "libft.h"
 
 int		ft_any(char **tab, int (*f)(char*))
diff --git a/srcs/ft_atoi.c b/srcs/ft_atoi.c
index 01660a9..8d34949 100644
--- a/srcs/ft_atoi.c
+++ b/srcs/ft_atoi.c
@@ -14,26 +14,20 @@
 
 int		ft_atoi(const char *str)
 {
-	long long	nbr;
+	long		nbr;
 	int			i;
-	int			n;
+	int			negatif;
 
 	i = 0;
-	n = 1;
+	negatif = 1;
 	nbr = 0;
 	while ((str[i] == ' ') || (str[i] > 8 && str[i] < 14))
 		i++;
 	if (str[i] == '-')
-		n = -1;
+		negatif = -1;
 	if (str[i] == '+' || str[i] == '-')
 		i++;
 	while (str[i] >= '0' && str[i] <= '9')
-	{
-		if ((nbr >= 922337203685477580
-						&& ((str[i] > 8 && n < 0) || (str[i] > 7 && n > 0))))
-			return ((n > 0) ? -1 : 0);
-		else
-			nbr = nbr * 10 + (str[i++] - '0');
-	}
-	return (nbr * n);
+		nbr = nbr * 10 + (str[i++] - '0');
+	return (nbr * negatif);
 }
diff --git a/srcs/ft_atol.c b/srcs/ft_atol.c
new file mode 100644
index 0000000..1bf87cf
--- /dev/null
+++ b/srcs/ft_atol.c
@@ -0,0 +1,22 @@
+
+#include "libft.h"
+
+long	ft_atol(const char *str)
+{
+	long long	nbr;
+	int			i;
+	int			negatif;
+
+	i = 0;
+	negatif = 1;
+	nbr = 0;
+	while ((str[i] == ' ') || (str[i] > 8 && str[i] < 14))
+		i++;
+	if (str[i] == '-')
+		negatif = -1;
+	if (str[i] == '+' || str[i] == '-')
+		i++;
+	while (str[i] >= '0' && str[i] <= '9')
+		nbr = nbr * 10 + (str[i++] - '0');
+	return (nbr * negatif);
+}
diff --git a/srcs/ft_free_tab.c b/srcs/ft_free_tab.c
new file mode 100644
index 0000000..cc9c4bb
--- /dev/null
+++ b/srcs/ft_free_tab.c
@@ -0,0 +1,15 @@
+
+#include "libft.h"
+
+void	ft_free_tab(char **tab)
+{
+	int	i;
+
+	i = 0;
+	while (tab[i] != NULL)
+	{
+		free(tab[i]);
+		i++;
+	}
+	free(tab);
+}
diff --git a/srcs/ft_isnumber.c b/srcs/ft_isnumber.c
new file mode 100644
index 0000000..6ecc6c5
--- /dev/null
+++ b/srcs/ft_isnumber.c
@@ -0,0 +1,19 @@
+
+#include "libft.h"
+
+int	ft_isnumber(char *nb)
+{
+	int i;
+
+	i = 0;
+	if (nb[i] == '+' || nb[i] == '-')
+		i++;
+	while (nb[i] != '\0')
+	{
+		if (ft_isdigit(nb[i]) == 0)
+		return (0);
+		i++;
+	}
+	return (1);
+}
+
diff --git a/testing/includes/libftest.h b/testing/includes/libftest.h
index 5d92e6b..d7d271c 100644
--- a/testing/includes/libftest.h
+++ b/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);
diff --git a/testing/libftest b/testing/libftest
index 8085142..3e23413 100755
Binary files a/testing/libftest and b/testing/libftest differ
diff --git a/testing/srcs/test_abs.c b/testing/srcs/test_abs.c
index d3c42fd..f9c944e 100644
--- a/testing/srcs/test_abs.c
+++ b/testing/srcs/test_abs.c
@@ -1,6 +1,6 @@
 #include "libftest.h"
 
-void	compare(int i, int ans)
+void	compare_abs(int i, int ans)
 {
 	if (ft_abs(i) != ans)
 	{
@@ -15,10 +15,9 @@ void	compare(int i, int ans)
 
 void	test_abs(void)
 {
-	compare(-1, 1);
-	compare(0, 0);
-	compare(-0, 0);
-	compare(-1000, 1000);
-	compare(-2147483648, 2147483648);
-	compare(2147483647, 2147483647);
+	compare_abs(-1, 1);
+	compare_abs(0, 0);
+	compare_abs(-0, 0);
+	compare_abs(-1000, 1000);
+	compare_abs(-2147483647, 2147483647);
 }
diff --git a/testing/srcs/test_any.c b/testing/srcs/test_any.c
index 7bdbe9c..05b7692 100644
--- a/testing/srcs/test_any.c
+++ b/testing/srcs/test_any.c
@@ -1,6 +1,131 @@
 #include "libftest.h"
 
-//int		test_any(char **tab, int (*f)(char*))
-void		test_any(void)
+char	**create_tab(void)
 {
+	char	**tab;
+
+	tab = (char **)malloc(sizeof(char *) * (6 + 1));
+	tab[0] = strdup("premiere ligne de test");
+	tab[1] = strdup("deuxieme ligne de test");
+	tab[2] = strdup("troisieme ligne pour le fun");
+	tab[3] = strdup("quatrieme linge avec une erreur");
+	tab[4] = strdup("cinquieme peche a la ligne");
+	tab[5] = strdup("sixieme et derniere ligne");
+	return (tab);
 }
+
+void	free_tab(char **tab)
+{
+	free(tab[0]);
+	free(tab[1]);
+	free(tab[2]);
+	free(tab[3]);
+	free(tab[4]);
+	free(tab[5]);
+	free(tab);
+}
+
+int	contain_a(char *s)
+{
+	int	i;
+
+	i = -1;
+	while (s[++i])
+		if (s[i] == 'a')
+			return (1);
+	return (0);
+}
+
+int	contain_y(char *s)
+{
+	int	i;
+
+	i = -1;
+	while (s[++i])
+		if (s[i] == 'y')
+			return (1);
+	return (0);
+}
+
+int	contain_z(char *s)
+{
+	int	i;
+
+	i = -1;
+	while (s[++i])
+		if (s[i] == 'z')
+			return (1);
+	return (0);
+}
+
+int	contain_x(char *s)
+{
+	int	i;
+
+	i = -1;
+	while (s[++i])
+		if (s[i] == 'x')
+			return (1);
+	return (0);
+}
+
+int	contain_u(char *s)
+{
+	int	i;
+
+	i = -1;
+	while (s[++i])
+		if (s[i] == 'u')
+			return (1);
+	return (0);
+}
+
+int	contain_1(char *s)
+{
+	int	i;
+
+	i = -1;
+	while (s[++i])
+		if (s[i] == '1')
+			return (1);
+	return (0);
+}
+
+void	compare_any(char **tab, int (*f)(char *), char *s, int solution)
+{
+	int	i;
+
+	i = ft_any(tab, f);
+	if (i != solution)
+	{
+		write(1, "\033[91m", 5);
+		printf("error: ");
+		write(1, "\033[0m", 4);
+		printf("ft_any(tab, %s) returned", s);
+		printf(" %i ", i);
+		printf("in tab :\n");
+		printf("      %s:\n", tab[0]);
+		printf("      %s:\n", tab[1]);
+		printf("      %s:\n", tab[2]);
+		printf("      %s:\n", tab[3]);
+		printf("      %s:\n", tab[4]);
+		printf("      %s:\n", tab[5]);
+	}
+}
+
+void	test_any(void)
+{
+	char	**tab;
+
+	tab = create_tab();
+
+	compare_any(tab, contain_a, "contain_a", 1);
+	compare_any(tab, contain_y, "contain_y", 0);
+	compare_any(tab, contain_z, "contain_z", 0);
+	compare_any(tab, contain_x, "contain_x", 1);
+	compare_any(tab, contain_u, "contain_u", 1);
+	compare_any(tab, contain_1, "contain_1", 0);
+
+	free_tab(tab);
+}
+