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Man Pages
DEVICE_FIND_CHILD(9) FreeBSD Kernel Developer's Manual DEVICE_FIND_CHILD(9)

device_find_child
search for a child of a device

#include <sys/param.h>
#include <sys/bus.h>
device_t
device_find_child(device_t dev, const char *classname, int unit);

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).

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

device_add_child(9)

This manual page was written by Doug Rabson.
February 8, 2005 FreeBSD 12.0-RELEASE

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