diff --git a/includes/ft_printf.h b/includes/ft_printf.h
new file mode 100644
index 0000000..b3f5c45
--- /dev/null
+++ b/includes/ft_printf.h
@@ -0,0 +1,36 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_printf.h                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/09/17 17:42:12 by rparodi           #+#    #+#             */
+/*   Updated: 2025/09/19 15:53:37 by rparodi          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef FT_PRINTF_H
+# define FT_PRINTF_H
+
+# include <stdarg.h>
+# include <stddef.h>
+# include <stdint.h>
+
+
+
+size_t	ft_strlen(const char *str);
+void	ft_putnbr_base(int fd, u_int64_t nbr, char *base, int *to_ret);
+char	*itoa_base(u_int64_t nbr, char *base);
+int		flag_c(va_list args, int fd);
+int		ft_dprintf(int fd, const char *s, ...);
+int		ft_printf(const char *s, ...);
+int		flag_i(va_list args, int fd);
+int		flag_p(va_list args, int fd);
+int		flag_percent(va_list args, int fd);
+int		flag_s(va_list args, int fd);
+int		flag_u(va_list args, int fd);
+int		flag_x(va_list args, int fd);
+int		flag_x_maj(va_list args, int fd);
+
+#endif