SIMPLE SOLUTIONS

DEVICE_GET_CHILDREN - reference manual online

Get a list of devices connected to a device.

Chapter
August 23, 2008 
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
This manual Reference Other manuals
device_get_children(9freebsd) referred by bus_child_present(9freebsd) | device(9freebsd)
refer to devclass(9freebsd) | device(9freebsd)