DOKK / manpages / debian 10 / freebsd-manpages / device_find_child.9freebsd.en
DEVICE_FIND_CHILD(9) Kernel Developer's Manual DEVICE_FIND_CHILD(9)

device_find_childsearch 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 Debian