From a1e4aa22f780ca80a28baa32054f70d6b63607ee Mon Sep 17 00:00:00 2001
From: Dong Heng <dongheng@espressif.com>
Date: Wed, 8 Jan 2020 09:47:45 +0800
Subject: [PATCH] feat(newlib): add "sys/un.h" header file

---
 .../newlib/newlib/port/include/sys/un.h       | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 components/newlib/newlib/port/include/sys/un.h

diff --git a/components/newlib/newlib/port/include/sys/un.h b/components/newlib/newlib/port/include/sys/un.h
new file mode 100644
index 00000000..6d7acdf3
--- /dev/null
+++ b/components/newlib/newlib/port/include/sys/un.h
@@ -0,0 +1,22 @@
+// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+
+#define	AF_UNIX		1		/* local to host (pipes) */
+
+struct sockaddr_un {
+            short                    sun_family;                /*AF_UNIX*/
+            char                     sun_path[108];             /*path name */
+};