bool silc_idcache_find_by_id_one_ext(SilcIDCache cache, void *id,
                                         SilcHashFunction hash,
                                         void *hash_context,
                                         SilcHashCompare compare,
                                         void *compare_context,
                                         SilcIDCacheEntry *ret);

    Same as silc_idcache_find_by_id_one but with specific hash and
    comparison functions. If `hash' is NULL then the default hash
    funtion is used and if `compare' is NULL default comparison function
    is used. Returns TRUE if the entry was found.