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

NAME
     devclass_get_maxunit -- find the maximum unit number in the class

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

     int
     devclass_get_maxunit(devclass_t dc);

DESCRIPTION
     Returns the next unit number to be	allocated to device instances in the
     devclass.	This is	one greater than the highest currently allocated unit.

RETURN VALUES
     The devclass_get_maxunit()	function returns -1 if dc is NULL; otherwise
     it	returns	the next unit number in	dc's devclass.

ERRORS
     None.

SEE ALSO
     devclass(9), device(9)

AUTHORS
     This manual page was written by Doug Rabson.

BUGS
     The name is confusing since it is one greater than	the maximum unit.

BSD			      September	10, 2010			   BSD
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ERRORS | SEE ALSO | AUTHORS | BUGS

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