#ifndef _UAPI_LINUX_KDEV_T_H
  #define _UAPI_LINUX_KDEV_T_H
  #ifndef __KERNEL__
  
  /*
  Some programs want their definitions of MAJOR and MINOR and MKDEV
  from the kernel sources. These must be the externally visible ones.
  */
  #define MAJOR(dev)	((dev)>>8)
  #define MINOR(dev)	((dev) & 0xff)
  #define MKDEV(ma,mi)	((ma)<<8 | (mi))
  #endif /* __KERNEL__ */
  #endif /* _UAPI_LINUX_KDEV_T_H */