diff --git a/srcs/ft_putaddr.c b/srcs/ft_putaddr.c
new file mode 100644
index 0000000..4c66ce0
--- /dev/null
+++ b/srcs/ft_putaddr.c
@@ -0,0 +1,12 @@
+#include "libft.h"
+
+int ft_putaddr(unsigned long n)
+{
+    int count = 0;
+    char *digits = "0123456789abcdef";
+
+    if (n >= 16)
+        count += ft_putaddr(n / 16);
+    count += ft_putchar(digits[n % 16]);
+    return count;
+}
\ No newline at end of file