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.\" Copyright (c) 1998 Doug Rabson
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.\" $FreeBSD: release/10.0.0/share/man/man9/devclass_get_softc.9 147647 2005-06-28 20:15:19Z hmp $
.\"
.Dd June 16, 1998
.Dt DEVCLASS_GET_SOFTC 9
.Os
.Sh NAME
.Nm devclass_get_softc
.Nd translate unit number to driver private structure
.Sh SYNOPSIS
.In sys/param.h
.In sys/bus.h
.Ft void *
.Fn devclass_get_softc "devclass_t dc" "int unit"
.Sh DESCRIPTION
This function retrieves the driver private instance variables for the
device with the given unit number and returns it.
.Sh RETURN VALUES
If the device exists, its driver-private variables are returned,
otherwise NULL is returned.
.Sh SEE ALSO
.Xr device 9
.Sh AUTHORS
This manual page was written by
.An Doug Rabson .
