diff --git a/ft_itoa.c b/ft_itoa.c
new file mode 100644
index 0000000..2f32646
--- /dev/null
+++ b/ft_itoa.c
@@ -0,0 +1,58 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_itoa.c                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: adjoly <adjoly@student.42.fr>              +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/11/05 16:26:26 by adjoly            #+#    #+#             */
+/*   Updated: 2023/11/06 15:36:28 by adjoly           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+static int	ft_count_digit(int n)
+{
+	int	i;
+
+	i = 0;
+	if (n < 0)
+		i++;
+	if (n == 0)
+		return (1);
+	while (n)
+	{
+		n /= 10;
+		i++;
+	}
+	return (i);
+}
+
+char	*ft_itoa(int n)
+{
+	char	*result;
+	int		i;
+
+	i = ft_count_digit(n);
+	if (n == 0)
+		return (ft_strdup("0"));
+	if (n == -2147483648)
+		return (ft_strdup("-2147483648"));
+	result = malloc(sizeof(char) * (i + 1));
+	if (result == NULL)
+		return (NULL);
+	result[i--] = '\0';
+	if (n < 0)
+	{
+		result[0] = '-';
+		n = -n;
+	}
+	while (n)
+	{
+		result[i] = n % 10 + '0';
+		n /= 10;
+		i--;
+	}
+	return (result);
+}
diff --git a/ft_memcmp.c b/ft_memcmp.c
new file mode 100644
index 0000000..5484b9e
--- /dev/null
+++ b/ft_memcmp.c
@@ -0,0 +1,24 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_memcmp.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: adjoly <adjoly@student.42.fr>              +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/11/08 12:04:48 by adjoly            #+#    #+#             */
+/*   Updated: 2023/11/08 12:16:47 by adjoly           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+#include <stddef.h>
+
+int	ft_memcmp(const void *s1, const void *s2, size_t n)
+{
+	size_t	i;
+
+	i = 0;
+	while (((unsigned char *)s1)[i] == ((unsigned char *)s2)[i] && i < n - 1)
+		i++;
+	return (((unsigned char *)s1)[i] - ((unsigned char *)s2)[i]);
+}
diff --git a/libft.h.gch b/libft.h.gch
new file mode 100644
index 0000000..f37977e
Binary files /dev/null and b/libft.h.gch differ
diff --git a/libft.so b/libft.so
new file mode 100755
index 0000000..c4036e6
Binary files /dev/null and b/libft.so differ