Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
kdev_t.h
Go to the documentation of this file.
1 #ifndef _UAPI_LINUX_KDEV_T_H
2 #define _UAPI_LINUX_KDEV_T_H
3 #ifndef __KERNEL__
4 
5 /*
6 Some programs want their definitions of MAJOR and MINOR and MKDEV
7 from 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 */