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