access_journal_data
js = access_journal_data(ic, journal_section, journal_entry);
js = access_journal_data(ic, journal_section, journal_entry);
restore_last_bytes(ic, access_journal_data(ic, i, j), je);
restore_last_bytes(ic, access_journal_data(ic, i, k), je2);
struct journal_sector *js = access_journal_data(ic, i, l);