freebsd man page for device_get_unit

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

NAME
     device_get_unit -- access the unit number of a device

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

     int
     device_get_unit(device_t dev);

DESCRIPTION
     Return the unit number of the device.

SEE ALSO
     device(9)

AUTHORS
     This manual page was written by Doug Rabson.

BSD
								   June 16, 1998							       BSD