+int sd_journal_seek_cursor(sd_journal *j, const char *cursor);
+
+int sd_journal_get_cursor(sd_journal *j, char **cursor);
+
+int sd_journal_query_unique(sd_journal *j, const char *field); /* missing */
+int sd_journal_enumerate_unique(sd_journal *j, const void **data, size_t *l); /* missing */
+void sd_journal_restart_unique(sd_journal *j); /* missing */
+
+enum {
+ SD_JOURNAL_NOP,
+ SD_JOURNAL_APPEND,
+ SD_JOURNAL_INVALIDATE_ADD,
+ SD_JOURNAL_INVALIDATE_REMOVE
+};
+
+int sd_journal_get_fd(sd_journal *j); /* missing */
+int sd_journal_process(sd_journal *j); /* missing */
+
+#define SD_JOURNAL_FOREACH(j) \
+ if (sd_journal_seek_head(j) >= 0) \
+ while (sd_journal_next(j) > 0) \
+
+#define SD_JOURNAL_FOREACH_BACKWARDS(j) \
+ if (sd_journal_seek_tail(j) >= 0) \
+ while (sd_journal_previous(j) > 0) \