--- Gnu-Mach/include/sys/ioctl.h	2020/09/02 04:36:57	1.1
+++ Gnu-Mach/include/sys/ioctl.h	2020/09/02 04:43:07	1.1.1.2
@@ -2,7 +2,7 @@
  * Mach Operating System
  * Copyright (c) 1991 Carnegie Mellon University
  * All Rights Reserved.
- * 
+ *
  * Permission to use, copy, modify and distribute this software and its
  * documentation is hereby granted, provided that both the copyright
  * notice and this permission notice appear in all copies of the
@@ -49,4 +49,4 @@
 #define	_IOW(g,n,t)	_IOC(IOC_IN,	(g), (n), sizeof(t))
 #define	_IOWR(g,n,t)	_IOC(IOC_INOUT,	(g), (n), sizeof(t))
 
-#endif	 _MACH_SYS_IOCTL_H_
+#endif	 /* _MACH_SYS_IOCTL_H_ */