1#ifndef _UAPI_LINUX_KDEV_T_H 2#define _UAPI_LINUX_KDEV_T_H 3#ifndef __KERNEL__ 4 5/* 6Some programs want their definitions of MAJOR and MINOR and MKDEV 7from the kernel sources. These must be the externally visible ones. 8*/ 9#define MAJOR(dev) ((dev)>>8) 10#define MINOR(dev) ((dev) & 0xff) 11#define MKDEV(ma,mi) ((ma)<<8 | (mi)) 12#endif /* __KERNEL__ */ 13#endif /* _UAPI_LINUX_KDEV_T_H */ 14