DEVICE_GET_CHILDREN(9) | Kernel Developer's Manual | DEVICE_GET_CHILDREN(9) |
device_get_children
—
get a list of devices connected to a device
#include
<sys/param.h>
#include <sys/bus.h>
int
device_get_children
(device_t
dev, device_t
**devlistp, int
*devcountp);
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.
Zero is returned on success, otherwise an appropriate error is returned.
This manual page was written by Doug Rabson.
August 23, 2008 | Debian |