axlNode * axl_node_get_previous ( axlNode node  ) 

Allows to get the previous reference from the reference node provided.

See axl_node_get_next. Previous reference is the considered the previous node to the referenced provided that shares the same parent and it is situated in the same level.

Parameters:
node The node where the previous reference to the previous node will be returned.
Returns:
The previous node reference or NULL if the node doesn't have previous reference or NULL if the function fails (the function only fails if the node reference provided is null).