commit aafa0cd88947e5da02750653e104e091591ae1b9
Author: lclerel- lclerel- <lclerel-@f1r4s23.paris.42.school>
Date:   Wed Mar 4 17:03:27 2026 +0100

    Exos

diff --git a/ex0/ft_putchar.c b/ex0/ft_putchar.c
new file mode 100644
index 0000000..ca1c704
--- /dev/null
+++ b/ex0/ft_putchar.c
@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_putchar.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lclerel- <lclerel-@learner.42.tech>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/03/04 09:24:28 by lclerel-          #+#    #+#             */
+/*   Updated: 2026/03/04 14:03:05 by lclerel-         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <unistd.h>
+
+void	ft_putchar(char c)
+{
+	write(1, &c, 1);
+}
diff --git a/ex1/ft_print_alphabet.c b/ex1/ft_print_alphabet.c
new file mode 100644
index 0000000..333ffc1
--- /dev/null
+++ b/ex1/ft_print_alphabet.c
@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_print_alphabet.c                                :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lclerel- <lclerel-@learner.42.tech>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/03/04 09:53:03 by lclerel-          #+#    #+#             */
+/*   Updated: 2026/03/04 14:06:37 by lclerel-         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <unistd.h>
+
+void	ft_print_alphabet(void)
+{
+	write(1, "abcdefghijklmnopqrstuvwxyz", 26);
+}
diff --git a/ex2/ft_print_reverse_alphabet.c b/ex2/ft_print_reverse_alphabet.c
new file mode 100644
index 0000000..d3cbf4a
--- /dev/null
+++ b/ex2/ft_print_reverse_alphabet.c
@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_print_reverse_alphabet.c                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lclerel- <lclerel-@learner.42.tech>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/03/04 13:27:15 by lclerel-          #+#    #+#             */
+/*   Updated: 2026/03/04 13:48:03 by lclerel-         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <unistd.h>
+
+void	ft_print_reverse_alphabet(void)
+{
+	write(1, "zyxwvutsrqponmlkjihgfedcba", 26);
+}
diff --git a/ex3/ft_print_numbers.c b/ex3/ft_print_numbers.c
new file mode 100644
index 0000000..605b0c8
--- /dev/null
+++ b/ex3/ft_print_numbers.c
@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_print_numbers.c                                 :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lclerel- <lclerel-@learner.42.tech>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/03/04 10:06:13 by lclerel-          #+#    #+#             */
+/*   Updated: 2026/03/04 14:08:05 by lclerel-         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <unistd.h>
+
+void	ft_print_numbers(void)
+{
+	write(1, "0123456789", 10);
+}
diff --git a/ex4/ft_is_negative.c b/ex4/ft_is_negative.c
new file mode 100644
index 0000000..c152711
--- /dev/null
+++ b/ex4/ft_is_negative.c
@@ -0,0 +1,28 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_is_negative.c                                   :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lclerel- <lclerel-@learner.42.tech>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/03/04 10:08:57 by lclerel-          #+#    #+#             */
+/*   Updated: 2026/03/04 16:11:32 by lclerel-         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <unistd.h>
+
+void	ft_is_negative(int n)
+{
+	char	c;
+
+	if (n >= 0)
+	{
+		c = 'P';
+	}
+	else
+	{
+		c = 'N';
+	}
+	write(1, &c, 1);
+}