Manual Pages  — DEVICE_FIND_CHILD

device_find_child – search for a child of a device

SYNOPSIS DESCRIPTION RETURN VALUES SEE ALSO AUTHORS

#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.

This manual page was written by Doug Rabson.