Find level of the node in binary tree

gistfile1.txt

/* Helper function for getLevel().  It returns level of the data if data is
   present in tree, otherwise returns 0.*/
int getLevelUtil(struct node *node, int data, int level)
{
    if (node == NULL)
        return 0;
 
    if (node->data == data)
        return level;
 
    int downlevel = getLevelUtil(node->left, data, level+1);
    if (downlevel != 0)
        return downlevel;
 
    downlevel = getLevelUtil(node->right, data, level+1);
    return downlevel;
}
 
/* Returns level of given data value */
int getLevel(struct node *node, int data)
{
    return getLevelUtil(node,data,1);
}