1 files changed, 3 insertions, 3 deletions

diff --git a/src/binary-search-tree.c b/src/binary-search-tree.c
index 93690e2..780ba70 100644
--- a/src/binary-search-tree.c
+++ b/src/binary-search-tree.c
@@ -318,7 +318,7 @@ tree_apply_postorder(struct tree_node *tree, void (*visit)(T key, void *cl), voi
 /* --8<-- tree_stack_type */
 struct stack_item {
         struct stack_item *next;
-        struct tree_node * data;
+        struct tree_node  *data;
 };
 
 struct stack {
@@ -404,7 +404,7 @@ stack_free(struct stack *stack)
 /* --8<-- tree_queue_type */
 struct queue_item {
         struct queue_item *next;
-        struct tree_node * data;
+        struct tree_node  *data;
 };
 
 struct queue {
@@ -792,7 +792,7 @@ main(void)
         show_tree(tree, 0, 0);
 
         struct tree_iterator it;
-        struct tree_node *   node = tree_preorder_iterator_first(&it, tree);
+        struct tree_node    *node = tree_preorder_iterator_first(&it, tree);
         while ( node ) {
                 fprintf(stdout, "%d\n", node->key);