diff --git a/ft_striteri.c b/ft_striteri.c
new file mode 100644
index 0000000..faf4d2b
--- /dev/null
+++ b/ft_striteri.c
@@ -0,0 +1,25 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_striteri.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: adjoly <adjoly@student.42.fr>              +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/11/11 14:15:30 by adjoly            #+#    #+#             */
+/*   Updated: 2023/11/11 15:08:03 by adjoly           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+void	ft_striteri(char *s, void (*f)(unsigned int, char *))
+{
+	int	i;
+
+	i = 0;
+	while (s[i])
+	{
+		f(i, &s[i]);
+		i++;
+	}
+}