device_find_child (9)

Leading comments

Copyright (c) 1998 Doug Rabson

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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/device_find_child.9freebsd".)

NAME

device_find_child - search for a child of a device

SYNOPSIS

In sys/param.h In sys/bus.h Ft device_t Fn device_find_child device_t dev const char *classname int unit

DESCRIPTION

This function looks for a specific child of dev with the given Fa classname and Fa unit . If Fa unit is -1, it returns the first child of Fa dev with a matching Fa classname (that is, the one with the lowest unit).

RETURN VALUES

If it exists, the child device is returned, otherwise NULL.

SEE ALSO

device_add_child9

AUTHORS

This manual page was written by An Doug Rabson .