foo.cc: In function 'void insertnode(Node**, int)':
foo.cc:16:15: error: expected unqualified-id before 'new'
   16 |         Node* new = createnode(x);
      |               ^~~
foo.cc:19:25: error: 'newNode' was not declared in this scope; did you mean 'Node'?
   19 |                 *head = newNode;
      |                         ^~~~~~~
      |                         Node
foo.cc:28:33: error: expected type-specifier before ';' token
   28 |                 newp->next = new;
      |                                 ^

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