Provided by:
freebsd-manpages_7.2-1_all 
NAME
device_get_children - get a list of devices connected to a device
SYNOPSIS
#include <sys/param.h>
#include <sys/bus.h>
int
device_get_children(device_t dev, device_t **devlistp, int *devcountp);
DESCRIPTION
Retrieve a list of all device instances currently connected to dev and
return the list in *devlistp and the count in *devcountp. The memory
allocated for the list should be freed using free(*devlistp, M_TEMP).
RETURN VALUES
Zero is returned on success, otherwise an appropriate error is returned.
SEE ALSO
devclass(9), device(9)
AUTHORS
This manual page was written by Doug Rabson.