change to header guards wooo

include/c/c_list.h

@@ -1,4 +1,5 @@
-#pragma once
+#ifndef C_LIST_H
+#define C_LIST_H
 
 // This file was ported from https://github.com/NSMBW-Community/NSMBW-Decomp/blob/master/include/dol/cLib/c_list.hpp
 
@@ -67,3 +68,5 @@ protected:
     cListNd_c *mpFirst; ///< The first node in the list.
     cListNd_c *mpLast;  ///< The last node in the list.
 };
+
+#endif

include/c/c_owner_set.h

@@ -1,4 +1,5 @@
-#pragma once
+#ifndef C_OWNER_SET_H
+#define C_OWNER_SET_H
 
 // This file was ported from
 // https://github.com/NSMBW-Community/NSMBW-Decomp/blob/master/include/dol/cLib/c_owner_set.hpp
@@ -59,3 +60,5 @@ private:
 
     cOwnerSetNd_c *mpRoot; ///< The first element of the set.
 };
+
+#endif

include/c/c_tree.h

@@ -1,4 +1,5 @@
-#pragma once
+#ifndef C_TREE_H
+#define C_TREE_H
 
 // This file was ported from https://github.com/NSMBW-Community/NSMBW-Decomp/blob/master/include/dol/cLib/c_tree.hpp
 
@@ -56,6 +57,7 @@ public:
      * @return If the operation was successful.
      */
     bool addTreeNode(cTreeNd_c *node, cTreeNd_c *parent);
+    bool insertTreeNode(cTreeNd_c *node, cTreeNd_c *parent);
 
     /**
      * @brief Removes a node from the tree.
@@ -72,3 +74,5 @@ public:
 protected:
     cTreeNd_c *mpRootNode; ///< The root node of the tree.
 };
+
+#endif