#ifndef _SYS_SYSMACROS_H
#define _SYS_SYSMACROS_H
#define major(dev) ((int)(((dev) >> 8) & 0xff))
#define minor(dev) ((int)((dev) & 0xff))
#define makedev(major, minor) (((major) << 8) | (minor))
#endif /* _SYS_SYSMACROS_H */