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DEVCLASS(9)           DragonFly Kernel Developer's Manual          DEVCLASS(9)

NAME

devclass -- object representing a class of devices

SYNOPSIS

typedef struct devclass *devclass_t;

DESCRIPTION

The devclass object has two main functions in the system. The first is to manage the allocation of unit numbers for device instances and the second is to hold the list of device drivers for a particular bus type. Each devclass has a name and there cannot be two devclasses with the same name. This ensures that unique unit numbers are allocated to device instances.

SEE ALSO

devclass_add_driver(9), devclass_delete_driver(9), devclass_find(9), devclass_find_driver(9), devclass_get_device(9), devclass_get_devices(9), devclass_get_maxunit(9), devclass_get_name(9), devclass_get_softc(9), device(9), driver(9)

AUTHORS

This man page was written by Doug Rabson. DragonFly 3.5 June 16, 1998 DragonFly 3.5

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