SilcIDCache silc_idcache_alloc(SilcUInt32 count, SilcIdType id_type,
                                   SilcIDCacheDestructor destructor,
                                   void *destructor_context,
                                   bool delete_id, bool delete_name);

    Allocates new ID cache object. The initial amount of allocated entries
    can be sent as argument. If `count' is 0 the system uses default values.
    The `id_type' defines the types of the ID's that will be saved to the
    cache.

    If 'delete_id' is TRUE then library will free the ID when a
    cache entry is deleted.  If 'delete_name' is TRUE then library
    will delete the associated name when a cache entry is deleted.