devclass_get_maxunit (9)

Leading comments

Copyright (c) 1998 Doug Rabson

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This program is free software.

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   notice, this list of conditions and the following disclaimer in...

(The comments found at the beginning of the groff file "man9/devclass_get_maxunit.9freebsd".)

NAME

devclass_get_maxunit - find the maximum unit number in the class

SYNOPSIS

In sys/param.h In sys/bus.h Ft int Fn 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 Fn devclass_get_maxunit function returns -1 if Fa dc is NULL otherwise it returns the next unit number in Fa dc's devclass.

ERRORS

None.

SEE ALSO

devclass(9), device(9)

AUTHORS

This manual page was written by An Doug Rabson .

BUGS

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