#ifndef _UAPI_LINUX_KDEV_T_H#define _UAPI_LINUX_KDEV_T_H#ifndef __KERNEL__/*Some programs want their definitions of MAJOR and MINOR and MKDEVfrom 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 */