Function createNode

Trees/binarytreetraversal.c:12–19

  struct tnode * createNode(int data) {
        struct tnode *newNode;
        newNode  = (struct tnode *) malloc(sizeof(struct tnode));
        newNode->data = data;
        newNode->left = NULL;
        newNode->right = NULL;
        return (newNode);
  }


  void insertion(struct tnode **node, int data) {