osx man page for devclass_get_softc

DEVCLASS_GET_SOFTC(9)					   BSD Kernel Developer's Manual				     DEVCLASS_GET_SOFTC(9)

NAME

     devclass_get_softc -- translate unit number to driver private structure

SYNOPSIS

     #include <sys/param.h>
     #include <sys/bus.h>

     void *
     devclass_get_softc(devclass_t dc, int unit);

DESCRIPTION

     This function retrieves the driver private instance variables for the device with the given unit number and returns it.

RETURN VALUES

     If the device exists, its driver-private variables are returned, otherwise NULL is returned.

SEE ALSO

     device(9)

AUTHORS

     This manual page was written by Doug Rabson.

BSD
								   June 16, 1998							       BSD