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Man Pages
DEVICE_GET_CHILDREN(9) FreeBSD 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.

devclass(9), device(9)

This manual page was written by Doug Rabson.
August 23, 2008 FreeBSD 12.0-RELEASE

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