diff --git a/Makefile b/Makefile
index 1fa3764..cd2c016 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@
 #    By: gvoelkne <gvoelkne@42.fr>                    +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2026/04/27 16:44:35 by gvoelkne          #+#    #+#              #
-#    Updated: 2026/05/01 10:11:26 by gvoelkne         ###   ########.fr        #
+#    Updated: 2026/05/01 11:39:38 by gvoelkne         ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
@@ -14,7 +14,7 @@
 
 NAME := libftprintf.a
 
-SRC := ft_printf.c ft_btoa.c
+SRC := ft_printf.c ft_btoa.c ft_putptr.c
 
 OBJ := $(SRC:.c=.o)
 
diff --git a/ft_printf.c b/ft_printf.c
index 200bca6..a34c1c3 100644
--- a/ft_printf.c
+++ b/ft_printf.c
@@ -6,13 +6,13 @@
 /*   By: gvoelkne <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2026/04/29 09:00:02 by gvoelkne          #+#    #+#             */
-/*   Updated: 2026/05/01 09:39:09 by gvoelkne         ###   ########.fr       */
+/*   Updated: 2026/05/01 11:56:39 by gvoelkne         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "ft_printf.h"
 
-static int	ft_strlen(char *str)
+int	ft_strlen(const char *str)
 {
 	int	len;
 
@@ -41,10 +41,12 @@ static int	ft_putchar(int c)
 
 static int	format(char format, va_list args)
 {
-	if (format == 's')
-		return (ft_putstr(va_arg(args, char *)));
 	if (format == 'c')
 		return (ft_putchar(va_arg(args, int)));
+	if (format == 's')
+		return (ft_putstr(va_arg(args, char *)));
+	if (format == 'p')
+		return (ft_putptr(va_arg(args, void*)));
 	if (format == '%')
 		return (ft_putchar('%'));
 	if (format == 'X')
diff --git a/ft_printf.h b/ft_printf.h
index b50f86f..95925c9 100644
--- a/ft_printf.h
+++ b/ft_printf.h
@@ -6,7 +6,7 @@
 /*   By: gvoelkne <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2026/04/29 09:07:17 by gvoelkne          #+#    #+#             */
-/*   Updated: 2026/05/01 08:45:31 by gvoelkne         ###   ########.fr       */
+/*   Updated: 2026/05/01 11:52:38 by gvoelkne         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,9 +14,13 @@
 # define FT_PRINTF_H
 # include <stdlib.h>
 # include <stdio.h>
+# include <stdint.h>
 # include <unistd.h>
 
+int	ft_strlen(const char*);
+
 char *ft_btoa(int num, int base);
+int	ft_putptr(void *ptr);
 
 int	ft_printf(const char *s, ...);
 
diff --git a/ft_putptr.c b/ft_putptr.c
new file mode 100644
index 0000000..f46b510
--- /dev/null
+++ b/ft_putptr.c
@@ -0,0 +1,65 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_putptr.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: gvoelkne <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/05/01 11:36:45 by gvoelkne          #+#    #+#             */
+/*   Updated: 2026/05/01 12:01:55 by gvoelkne         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "ft_printf.h"
+
+static unsigned int calc_digits(uintptr_t num, int base)
+{
+	int count;
+
+	count = 0;
+	while (num > 0)
+	{
+		count += 1;
+		num /= base;
+	}
+	return (count);
+}
+
+static char *ptr_to_hex(uintptr_t ptr)
+{
+	int curr;
+	char *res;
+	int res_size;
+
+	curr = 0;
+	res_size = calc_digits(ptr, 16) + 3;
+	res = malloc(sizeof(char) * res_size);
+	if (!res)
+		return (NULL);
+	res[res_size--] = '\0';
+	while (ptr > 0)
+	{
+		curr = ptr % 16;
+		if (curr > 9)
+			curr = (curr % 10) + 'A';
+		else 
+			curr += '0';
+		res[(res_size - 1)] = curr;
+		ptr /= 16;
+		res_size -= 1;
+	}
+	res[0] = '0';
+	res[1] = 'x';
+	return (res);
+}
+
+int	ft_putptr(void *ptr)
+{
+	char *s;
+	if (!ptr)
+		s = "(null)";
+	else
+		s = ptr_to_hex((uintptr_t)ptr);
+	write(1, s, ft_strlen(s));
+	return (ft_strlen(s));
+}
diff --git a/main.c b/main.c
index b6c8558..932821f 100644
--- a/main.c
+++ b/main.c
@@ -45,10 +45,16 @@ void	test(char *testname, char *s1, char *s2, unsigned int n)
 //*
 int	main(void)
 {
-	ft_printf("%%: %%\n");
-	ft_printf("%%s: %s\n", "ulla");
+	void *ptr = "";
+	void *null_ptr = NULL;
+
 	ft_printf("%%c, %c\n", 'A');
+	ft_printf("%%s: %s\n", "ulla");
+	ft_printf("%%p, %p\n", ptr);
+	printf("%%p (stdlib printf), '%p'\n", ptr);
+	ft_printf("%%p (null ptr), %p\n", null_ptr);
 	ft_printf("%%X, %X\n", 1234);
+	ft_printf("%%: %%\n");
 	return (0);
 }
 //*/