SECOND

ex1.c

@@ -49,6 +49,7 @@ void AddNodeToStartOfList(node **ptr_to_start, int value)
   *ptr_to_start is the contents of the variable head, which is the address of the start of the list.
   If we change *ptr_to_start (note only one * here) we are changing the contents of head. 
   We are changing which node is the first node in the list.
+  
   */
 
    node *temp = NewNode(value);   // Create a new node
@@ -90,8 +91,39 @@ void AddNodeToEndOfList(node **ptr_to_start, int value)
   } 
   temp->next = new_node;
   return;
+
+}
+
+int ListLength(node *start)                     // 1
+{
+  node *temp = NULL;
+
+  while (temp->next != NULL)
+  {
+    printf("%d\n", temp->val);
+    temp = temp->next;
+  }
+}
+
+
+void AddNode(node **ptr_to_start, int value)    // 2
+{
+
 }
 
+/*
+
+int main()
+{
+  AddNodeToStartOfList(&head,5);
+  AddNodeToEndOfList(&head,7);
+  AddNodeToEndOfList(&head,2);
+  AddNodeToEndOfList(&head,1);
+  AddNodeToEndOfList(&head,4);
+  AddNodeToEndOfList(&head,3);
+  return 0;
+}
+*/
 
 /* Exercise Tasks
 1. Write a function int ListLength(node *start) which traverses the list, counts the number of nodes and returns that count.
@@ -124,6 +156,4 @@ AddNodeToEndOfList(&head,1);
 AddNodeToEndOfList(&head,4);
 AddNodeToEndOfList(&head,3);
 
-
-
 */

ex3.c

+#include <stdio.h>
+