From d06168f6c14d653c476403700a00da20fdc1baf1 Mon Sep 17 00:00:00 2001
From: pvtrx <patric.andree@strohmleitung.de>
Date: Fri, 19 Dec 2025 08:43:35 +0100
Subject: [PATCH] cleanups

---
 bintree.c      | 10 +++++-----
 test_numbers.c |  7 ++-----
 2 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/bintree.c b/bintree.c
index 82a6896..165f1f1 100644
--- a/bintree.c
+++ b/bintree.c
@@ -56,10 +56,10 @@ TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFc
 // push the top node and push all its left nodes.
 void *nextTreeData(TreeNode *root)
 {
-    /* Iterator state kept across calls (strtok-style). */
+
     static StackNode *iterStack = NULL;
 
-    /* Starting a new traversal: reset stack and seed with root's left spine. */
+    // Start of traversal
     if (root != NULL) {
         clearStack(iterStack);
         iterStack = NULL;
@@ -69,16 +69,16 @@ void *nextTreeData(TreeNode *root)
         }
     }
 
-    /* No more elements. */
+    // Stops if no elements left
     if (iterStack == NULL) {
         return NULL;
     }
 
-    /* Visit next node in-order. */
+    // Pop the top node
     TreeNode *node = (TreeNode *)top(iterStack);
     iterStack = pop(iterStack);
 
-    /* After visiting, push the left spine of the right subtree. */
+    // select node one to the right --> push all lefts
     for (TreeNode *n = node->right; n != NULL; n = n->left) {
         iterStack = push(iterStack, n);
     }
diff --git a/test_numbers.c b/test_numbers.c
index a748fe6..184d4a8 100644
--- a/test_numbers.c
+++ b/test_numbers.c
@@ -6,12 +6,9 @@
 #include <stdlib.h>
 #include <string.h>
 
-/* ===================== Test-Fixture ===================== */
 void setUp(void)   { /* nothing */ }
 void tearDown(void){ /* nothing */ }
 
-/* ===================== Helpers ===================== */
-
 // Zählt Vorkommen eines Werts im Array
 static unsigned count_occurrences(const unsigned int *arr, unsigned int len, unsigned int value)
 {
@@ -58,7 +55,7 @@ static void assert_numbers_properties(const unsigned int *arr, unsigned int len,
     if (dup_out) *dup_out = dupVal;
 }
 
-/* ===================== Einzeltests ===================== */
+// Einzeltests 
 
 // createNumbers: len < 2 -> NULL
 static void test_createNumbers_len_too_small(void)
@@ -144,7 +141,7 @@ static void test_getDuplicate_does_not_modify_input(void)
     TEST_ASSERT_EQUAL_MEMORY(original, arr, sizeof arr);
 }
 
-/* ===================== Runner ===================== */
+//Runner
 
 int main(void)
 {