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    1: .\" -*- nroff -*-
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    3: .\" Copyright (c) 1998 Doug Rabson
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   32: .Dd June 16, 1998
   33: .Dt DEVCLASS 9
   34: .Os
   35: .Sh NAME
   36: .Nm devclass
   37: .Nd object representing a class of devices
   38: .Sh SYNOPSIS
   39: .Vt typedef struct devclass *devclass_t ;
   40: .Sh DESCRIPTION
   41: The
   42: .Dv devclass
   43: object has two main functions in the system.  The first is to manage
   44: the allocation of unit numbers for device instances and the second is
   45: to hold the list of device drivers for a particular bus type.
   46: Each
   47: .Dv devclass
   48: has a name and there cannot be two devclasses with the same name.
   49: This ensures that unique unit numbers are allocated to device
   50: instances.
   51: .Sh SEE ALSO
   52: .Xr devclass_add_driver 9 ,
   53: .Xr devclass_delete_driver 9 ,
   54: .Xr devclass_find 9 ,
   55: .Xr devclass_find_driver 9 ,
   56: .Xr devclass_get_device 9 ,
   57: .Xr devclass_get_devices 9 ,
   58: .Xr devclass_get_maxunit 9 ,
   59: .Xr devclass_get_name 9 ,
   60: .Xr devclass_get_softc 9 ,
   61: .Xr device 9 ,
   62: .Xr driver 9
   63: .Sh AUTHORS
   64: This man page was written by
   65: .An Doug Rabson .