*
* Gets the previous sibling of a #GNode.
*
- * Returns: the previous sibling of @node, or %NULL if @node is %NULL
+ * Returns: the previous sibling of @node, or %NULL if @node is the first
+ * node or %NULL
*/
#define g_node_prev_sibling(node) ((node) ? \
((GNode*) (node))->prev : NULL)
*
* Gets the next sibling of a #GNode.
*
- * Returns: the next sibling of @node, or %NULL if @node is %NULL
+ * Returns: the next sibling of @node, or %NULL if @node is the last node
+ * or %NULL
*/
#define g_node_next_sibling(node) ((node) ? \
((GNode*) (node))->next : NULL)