From 7acc4141cebb57cc8d78b5cc8f6d53154ae0d636 Mon Sep 17 00:00:00 2001
From: Kaspar Schleiser <kaspar@schleiser.de>
Date: Tue, 7 Jul 2015 10:31:17 +0200
Subject: [PATCH] sys: add libc includes directory and sys/uio.h header

---
 sys/Makefile.include       |  4 +++-
 sys/libc/include/sys/uio.h | 41 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 1 deletion(-)
 create mode 100644 sys/libc/include/sys/uio.h

diff --git a/sys/Makefile.include b/sys/Makefile.include
index b18355d6942b..e6e289abcff5 100644
--- a/sys/Makefile.include
+++ b/sys/Makefile.include
@@ -102,4 +102,6 @@ endif
 
 ifneq (,$(filter newlib,$(USEMODULE)))
     include $(RIOTBASE)/sys/newlib/Makefile.include
-endif
\ No newline at end of file
+endif
+
+INCLUDES += -I$(RIOTBASE)/sys/libc/include
diff --git a/sys/libc/include/sys/uio.h b/sys/libc/include/sys/uio.h
new file mode 100644
index 000000000000..8ee74b0f4299
--- /dev/null
+++ b/sys/libc/include/sys/uio.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @addtogroup  posix
+ * @{
+ */
+
+/**
+ * @file
+ * @brief   libc header for scatter/gather I/O
+ *
+ * @author  Kaspar Schleiser <kaspar@schleiser.de>
+ */
+#ifndef UIO_H
+#define UIO_H
+
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Structure for scatter/gather I/O.
+ */
+struct iovec {
+    void *iov_base;     /**< Pointer to data.   */
+    size_t iov_len;     /**< Length of data.    */
+};
+
+#ifdef __cplusplus
+}
+#endif
+/** @} */
+#endif /* UIO_H */