diff --git a/Makefile b/Makefile
index 843bb3f..7c3026d 100644
--- a/Makefile
+++ b/Makefile
@@ -6,8 +6,10 @@
 
 CC="tcc"
 
-main: src/main.c src/node/node.c src/node2d/node2d.c
-	tcc -o $@ -I src $^
+SRC=src/main.c src/node/node.c src/node2d/node2d.c
+
+main: $(SRC)
+	tcc -o $@ -I src $(SRC)
 
 clean:
 	rm -rf main
diff --git a/src/main.c b/src/main.c
index 9024cd0..4c1b947 100644
--- a/src/main.c
+++ b/src/main.c
@@ -22,10 +22,16 @@ int main(int argc, char* *argv){
     NOD_Node *debianbsd = NOD_CreateNode("Debian GNU/kFreeBSD");
 
     NOD_Node2D *point = NOD_CreateNode2D("Point2D");
+    NOD_Node2D *point2 = NOD_CreateNode2D("Point2D2");
+
     point->pos.x = 2;
     printf("The X value of '%s' is %d!\n", point->node.name, 3);
 
-    NOD_NodeAddChild(debian, point);
+    NOD_NodeAddChild(point, point2);
+
+    printf("The parent of '%s' is '%s'.\n", NOD(point2)->name, NOD(NOD(point2)->parent)->name);
+
+    NOD_PrintNodeTree(point);
 
     NOD_NodeAddChild(distros, linoox);
     NOD_NodeAddChild(distros, bsd);
diff --git a/src/node/node.c b/src/node/node.c
index 7b4aa5c..bfeeab5 100644
--- a/src/node/node.c
+++ b/src/node/node.c
@@ -41,7 +41,8 @@ void NOD_DestroyNodeBranch(NOD_Node *node){
  }
 }
 
-void NOD_NodeAddChild(NOD_Node *parent, NOD_Node *child){
+/* You call this by calling NOD_NodeAddChild, see header */
+void _nod_add_child(NOD_Node *parent, NOD_Node *child){
   if(parent != NULL && child != NULL){
     /** Prevent recursion */
     if(parent == child){
@@ -123,7 +124,8 @@ void NOD_NodeAddChild(NOD_Node *parent, NOD_Node *child){
   }
 }
 
-void NOD_NodeUnparent(NOD_Node *node){
+/* You call this by calling NOD_NodeUnparent, see header */
+void _nod_unparent (NOD_Node *node){
   if(node != NULL && node->parent != NULL){
     NOD_Node *parent = node->parent;
 
@@ -190,7 +192,8 @@ void nodetree_print_branch(NOD_Node *node, char* level){
   }
 }
 
-void NOD_PrintNodeTree(NOD_Node *node){
+/* You call this by calling NOD_PrintNodeTree, see header */
+void _nod_print_tree(NOD_Node *node){
   if(node != NULL){
     char* level = strdup("");
 
@@ -203,7 +206,8 @@ void NOD_PrintNodeTree(NOD_Node *node){
   }
 }
 
-int NOD_NodeChildCount(NOD_Node *node){
+/* You call this by calling NOD_NodeChildCount, see header */
+int _nod_child_count(NOD_Node *node){
   int count = 0;
   for(int i = 0; i < node->childc; i++){
     if(node->childv[i] != NULL) count++;
diff --git a/src/node/node.h b/src/node/node.h
index 2ae159b..6519abf 100644
--- a/src/node/node.h
+++ b/src/node/node.h
@@ -16,15 +16,26 @@ typedef struct node{
 
 } NOD_Node;
 
+#define NOD(x) ((NOD_Node*)x)
+
 NOD_Node *NOD_CreateNode(char *name);
 NOD_Node *NOD_CreateNodeEX(char *type, char *name);
 void NOD_DestroyNode(NOD_Node *node);
 void NOD_DestroyNodeBranch(NOD_Node *node);
 
-void NOD_NodeAddChild(NOD_Node *parent, NOD_Node *child);
-void NOD_NodeUnparent(NOD_Node *child);
+/* Passing a derivative of node will throw
+ * a warning if not casted to a NOD_Node pointer,
+ * so we're doing doing that
+ */
 
-void NOD_PrintNodeTree(NOD_Node *node);
-int NOD_NodeChildCount(NOD_Node *node);
+#define NOD_NodeAddChild(x, y) _nod_add_child(NOD(x), NOD(y))
+#define NOD_NodeUnparent(x)    _nod_unparent(NOD(x))
+#define NOD_PrintNodeTree(x)   _nod_print_tree(NOD(x))
+#define NOD_NodeChildCount(x)  _nod_child_count(NOD(x));
+
+void _nod_add_child(NOD_Node *parent, NOD_Node *child);
+void _nod_unparent(NOD_Node *child);
+void _nod_print_tree(NOD_Node *node);
+int  _nod_child_count(NOD_Node *node);
 
 #endif // __NODE_H_
diff --git a/src/types.h b/src/types.h
new file mode 100644
index 0000000..7f48b7e
--- /dev/null
+++ b/src/types.h
@@ -0,0 +1,9 @@
+#ifndef __TYPES_H_
+#define __TYPES_H_
+
+typedef struct vector_2d_i{
+  int x;
+  int y;
+} vector2Di;
+
+#endif // __TYPES_H_