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Command: device_find_child | Section: 9 | Source: FreeBSD | File: device_find_child.9.gz
DEVICE_FIND_CHILD(9) FreeBSD Kernel Developer's Manual DEVICE_FIND_CHILD(9)
NAME
device_find_child - search for a child of a device
SYNOPSIS
#include <sys/param.h>
#include <sys/bus.h>
device_t
device_find_child(device_t dev, const char *classname, int unit);
DESCRIPTION
This function looks for a specific child of dev with the given classname
and unit. If unit is -1, it returns the first child of dev with a
matching 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_child(9)
AUTHORS
This manual page was written by Doug Rabson.
FreeBSD 14.1-RELEASE-p8 February 8, 2005 FreeBSD 14.1-RELEASE-p8