Print ancestors of a node in a Binary Tree

int isAncestor(struct node* root, int n)
{
    if(root == NULL)
        return 0;

    if(root->data == n)
        return 1;

    if(isAncestor(root->left, n) || isAncestor(root->right, n))
    {
        printf("%d\n", root->data);
        return 1;
    }

    return 0;
}