NAME | SYNOPSIS | DESCRIPTION | PARAMETERS | RETURN VALUES | ERRORS | ATTRIBUTES | SEE ALSO
cc [ flag... ] file... -ldevinfo [ library... ] #include <libdevinfo.h>int di_walk_node(di_node_t root, uint_t flag, void *arg, int (*node_callback)di_node_t node, void *arg);
The di_walk_node() function visits all nodes in the subtree rooted at root. For each node found, the caller-supplied function node_callback() is invoked. The return value of node_callback() specifies subsequent walking behavior.
Pointer to caller-specific data.
Specifies walking order, either DI_WALK_CLDFIRST (depth first) or DI_WALK_SIBFIRST (breadth first). DI_WALK_CLDFIRST is the default.
The node being visited.
The handle to the root node of the subtree to visit.
Upon successful completion, di_walk_node() returns 0. Otherwise, -1 is returned and errno is set to indicate the error.
The node_callback() function can return one of the following:
Continue walking.
Continue walking, but skip siblings and their child nodes.
Continue walking, but skip subtree rooted at current node .
Terminate the walk immediately.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE | ATTRIBUTE VALUE |
---|---|
Interface Stability | Evolving |
MT-Level | Safe |
NAME | SYNOPSIS | DESCRIPTION | PARAMETERS | RETURN VALUES | ERRORS | ATTRIBUTES | SEE ALSO