int sd_journal_process(sd_journal *j);
int sd_journal_wait(sd_journal *j, uint64_t timeout_usec);
+int sd_journal_get_catalog(sd_journal *j, char **text);
+
#define SD_JOURNAL_FOREACH(j) \
if (sd_journal_seek_head(j) >= 0) \
while (sd_journal_next(j) > 0)