From b28dfe657021ab64a246f27b37da85f2679e33b3 Mon Sep 17 00:00:00 2001
From: Christian Brueffer <brueffer@FreeBSD.org>
Date: Wed, 1 Jul 2015 09:25:23 +0000
Subject: [PATCH] Make the example code actually work.

PR:		199440
Submitted by:	waitman@waitman.net
Reviewed by:	loos
MFC after:	1 week
---
 lib/libgpio/gpio.3 | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/libgpio/gpio.3 b/lib/libgpio/gpio.3
index 70f6b38c0622..27925f09108d 100644
--- a/lib/libgpio/gpio.3
+++ b/lib/libgpio/gpio.3
@@ -35,6 +35,7 @@
 .Sh LIBRARY
 .Lb libgpio
 .Sh SYNOPSIS
+.In sys/types.h
 .In libgpio.h
 .Ft "gpio_handle_t"
 .Fn gpio_open "unsigned int unit"
@@ -161,13 +162,14 @@ are wrappers around
 The following example shows how to configure pin 16 as output and then
 drive it high:
 .Bd -literal
+#include <sys/types.h>
 #include <err.h>
 #include <libgpio.h>
 
 gpio_handle_t handle;
 
 handle = gpio_open(0);
-if (handle == GPIO_HANDLE_INVALID)
+if (handle == GPIO_INVALID_HANDLE)
 	err(1, "gpio_open failed");
 gpio_pin_output(handle, 16);
 gpio_pin_high(handle, 16);