From cbd08e83f87bae8494c26483e97b27ddc4e39b3b Mon Sep 17 00:00:00 2001
From: Fenrir <fenrirwolf@gmail.com>
Date: Mon, 5 Sep 2016 14:19:58 -0700
Subject: [PATCH] ctru-sys: add errno function

---
 ctru-sys/src/sys/libc.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ctru-sys/src/sys/libc.rs b/ctru-sys/src/sys/libc.rs
index 997744d..cbc7958 100644
--- a/ctru-sys/src/sys/libc.rs
+++ b/ctru-sys/src/sys/libc.rs
@@ -22,7 +22,8 @@ pub type size_t = usize;
 pub type ssize_t = isize;
 
 extern "C" {
-    pub fn write(fd: c_int, buf: *const c_void, count: size_t) -> ssize_t;
+    pub fn __errno() -> *const c_int;
     pub fn memchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void;
     pub fn memrchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void;
+    pub fn write(fd: c_int, buf: *const c_void, count: size_t) -> ssize_t;
 }