AtomEntry * atom_retrieve_entry (AtomCtx *, IRI *);
void atom_enumerate_entries (AtomCtx *, AtomEntry ***, size_t *);
AtomFeed * atom_retrieve_feed (AtomCtx *);
+AtomResource *atom_retrieve_resource (AtomCtx *, IRI *);
AtomBackend * atom_backend (AtomCtx *);
void atom_backend_set (AtomCtx *, AtomBackend *);