freebsd man page for device_get_children

DEVICE_GET_CHILDREN(9)					   BSD Kernel Developer's Manual				    DEVICE_GET_CHILDREN(9)

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).  devlistp and devcountp are not changed when an error is returned.

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.

BSD
								  August 23, 2008							       BSD