Allows to get the previous node, preceding to the node provided, matching the given name, inside the given namespace value.
- Parameters:
-
| node | The node that is requested to return its previous sibling node. |
| ns | The namespace to be used to perform the lookup. |
| name | The name to match for the previous node. |
- Returns:
- A reference to the previous node or NULL if it fails. The returned reference mustn't be deallocated.