sysmacros.h

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#ifndef _TENOK_SYS_SYSMACROS_H
#define _TENOK_SYS_SYSMACROS_H
 
#define major(dev) ((int) (((dev) >> 8) & 0xff))
#define minor(dev) ((int) ((dev) &0xff))
#define makedev(ma, mi) ((((ma) &0xff) << 8) | ((mi) &0xff))
 
#endif