par

/* Intern */void *find(Mapnode *first, void *key, Cmpfn_ptr cmpfn) {  if (!first)    return NULL;  else if (cmpfn(key, first->key) == 0)    return first->val;  else if (cmpfn(key, first->key) < 0)    return find(first->left, key, cmpfn);  else    return find(first->right, key, cmpfn);}/* Gränssnittsfunktion */void *findmap(Maphead *map, void *key) {  return find(map->first, key, map->cfn);}