OF_CHILD(9)

NAME
OF_child, OF_parent, OF_peer - navigate device tree

SYNOPSIS
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
phandle_t
OF_child(phandle_t node);
phandle_t
OF_parent(phandle_t node);
phandle_t
OF_peer(phandle_t node);

DESCRIPTION

OF_child() returns the phandle value of the first child of the node. Zero is returned if there are no child nodes.

OF_parent() returns the phandle for the parent of the node. Zero is returned if node is the root node.

OF_peer() returns the phandle value of the next sibling of the node. Zero is returned if there is no sibling node.

EXAMPLES

    phandle_t node, child;
     ...
    for (child = OF_child(node); child != 0; child = OF_peer(child) {
    	...
    }

SEE ALSO
OF_finddevice(9)

AUTHORS
-nosplit This manual page was written by Oleksandr Tymoshenko <gonzo@FreeBSD.org>.