diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index 7b56b5b6e..6797a0c63 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,11 @@
+Wed Mar 14  9:34:00 2001  Corinna Vinschen <corinna@vinschen.de>
+
+	* libc/sys/cygwin/crt0.c: Add copyright hint.
+	* libc/sys/cygwin/sys/dirent.h: Ditto.
+	* libc/sys/cygwin/sys/param.h: Ditto.
+	* libc/sys/cygwin/sys/utime.h: Ditto.
+	* libc/sys/cygwin/sys/utmp.h: Ditto.
+
 2001-03-13  Alexandre Oliva  <aoliva@redhat.com>
 
 	* libc/stdio/vfprintf.c (QUADINT) [_NO_LONGLONG]: Make it
diff --git a/newlib/libc/sys/cygwin/crt0.c b/newlib/libc/sys/cygwin/crt0.c
index d6bdd5a57..2837a54d1 100644
--- a/newlib/libc/sys/cygwin/crt0.c
+++ b/newlib/libc/sys/cygwin/crt0.c
@@ -1,3 +1,10 @@
+/* crt0.c.
+
+   Copyright 2001 Red Hat, Inc.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
 
 #ifdef __PPC__
 /* For the PowerPC, we want to make this function have its structured
diff --git a/newlib/libc/sys/cygwin/sys/dirent.h b/newlib/libc/sys/cygwin/sys/dirent.h
index b3d52f70e..4d58302a5 100644
--- a/newlib/libc/sys/cygwin/sys/dirent.h
+++ b/newlib/libc/sys/cygwin/sys/dirent.h
@@ -1,4 +1,10 @@
-/* Posix dirent.h for WIN32.  */
+/* Posix dirent.h for WIN32.
+
+   Copyright 2001 Red Hat, Inc.
+
+   This software is a copyrighted work licensed under the terms of the
+   Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+   details. */
 
 /* Including this file should not require any Windows headers.  */
    
diff --git a/newlib/libc/sys/cygwin/sys/param.h b/newlib/libc/sys/cygwin/sys/param.h
index 42bb019d1..09ef74ed9 100644
--- a/newlib/libc/sys/cygwin/sys/param.h
+++ b/newlib/libc/sys/cygwin/sys/param.h
@@ -1,3 +1,11 @@
+/* sys/param.h
+
+   Copyright 2001 Red Hat, Inc.
+
+   This software is a copyrighted work licensed under the terms of the
+   Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+   details. */
+
 #ifndef _SYS_PARAM_H
 #define _SYS_PARAM_H
 
diff --git a/newlib/libc/sys/cygwin/sys/utime.h b/newlib/libc/sys/cygwin/sys/utime.h
index 196b0891e..5565b361d 100644
--- a/newlib/libc/sys/cygwin/sys/utime.h
+++ b/newlib/libc/sys/cygwin/sys/utime.h
@@ -1,3 +1,11 @@
+/* sys/utime.h
+
+   Copyright 2001 Red Hat, Inc.
+
+   This software is a copyrighted work licensed under the terms of the
+   Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+   details. */
+
 #ifndef _SYS_UTIME_H
 #define _SYS_UTIME_H
 
diff --git a/newlib/libc/sys/cygwin/sys/utmp.h b/newlib/libc/sys/cygwin/sys/utmp.h
index 1c1c9aa0a..7ba33b450 100644
--- a/newlib/libc/sys/cygwin/sys/utmp.h
+++ b/newlib/libc/sys/cygwin/sys/utmp.h
@@ -1,3 +1,11 @@
+/* sys/utmp.h
+
+   Copyright 2001 Red Hat, Inc.
+
+   This software is a copyrighted work licensed under the terms of the
+   Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+   details. */
+
 #ifndef UTMP_H
 #define UTMP_H