4 files changed, 28 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/csky/sys/cachectl.h b/libc/sysdeps/linux/csky/sys/cachectl.h
index 0d45bf07f..ad7211d7d 100644
--- a/libc/sysdeps/linux/csky/sys/cachectl.h
+++ b/libc/sysdeps/linux/csky/sys/cachectl.h
@@ -1,3 +1,10 @@
+/*
+ * Copyright (C) 2017 Hangzhou C-SKY Microsystems co.,ltd.
+ *
+ * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB
+ * in this tarball.
+ */
+
 #ifndef _SYS_CACHECTL_H
 #define _SYS_CACHECTL_H	1
 
diff --git a/libc/sysdeps/linux/csky/sys/procfs.h b/libc/sysdeps/linux/csky/sys/procfs.h
index 91c1388d7..8ee99312e 100644
--- a/libc/sysdeps/linux/csky/sys/procfs.h
+++ b/libc/sysdeps/linux/csky/sys/procfs.h
@@ -1,3 +1,10 @@
+/*
+ * Copyright (C) 2017 Hangzhou C-SKY Microsystems co.,ltd.
+ *
+ * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB
+ * in this tarball.
+ */
+
 /* Copyright (C) 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
diff --git a/libc/sysdeps/linux/csky/sys/ucontext.h b/libc/sysdeps/linux/csky/sys/ucontext.h
index 59176882c..97e9e5e2e 100644
--- a/libc/sysdeps/linux/csky/sys/ucontext.h
+++ b/libc/sysdeps/linux/csky/sys/ucontext.h
@@ -1,3 +1,10 @@
+/*
+ * Copyright (C) 2017 Hangzhou C-SKY Microsystems co.,ltd.
+ *
+ * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB
+ * in this tarball.
+ */
+
 #ifndef _SYS_UCONTEXT_H
 #define _SYS_UCONTEXT_H	1
 
diff --git a/libc/sysdeps/linux/csky/sys/user.h b/libc/sysdeps/linux/csky/sys/user.h
index 4ab1972a0..010e548b1 100644
--- a/libc/sysdeps/linux/csky/sys/user.h
+++ b/libc/sysdeps/linux/csky/sys/user.h
@@ -1,3 +1,10 @@
+/*
+ * Copyright (C) 2017 Hangzhou C-SKY Microsystems co.,ltd.
+ *
+ * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB
+ * in this tarball.
+ */
+
 #ifndef _SYS_USER_H
 #define _SYS_USER_H  1