-#ifndef _SYSMACROS_H
-#define _SYSMACROS_H
+#ifndef _SYS_SYSMACROS_H
+#define _SYS_SYSMACROS_H
-#include <bits/sysmacros.h>
+#define major(x) ((unsigned)((x) >> 8) & 0xff)
+#define minor(x) ((unsigned)(x) & 0xff)
+#define makedev(x,y) (((x)<<8)|((y)&0xff))
#endif