/* Walk all the element of the first from first to last and apply the walker function to it  */
void xmlListWalk(xmlListPtr l, xmlListWalker walker, const void *user)
/* Walk all the element of the first from first to last and apply the walker function to it  */
void xmlListWalk(xmlListPtr l, xmlListWalker walker, const void *user)
{
        if((walker(lk->data, user)) == 0)
                break;
    }
}