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