unsigned n_columns,
OutputFlags flags);
+int add_match_this_boot(sd_journal *j);
+
int add_matches_for_unit(
sd_journal *j,
const char *unit);
size_t l,
OutputFlags flags);
-const char* output_mode_to_string(OutputMode m);
-OutputMode output_mode_from_string(const char *s);
+const char* output_mode_to_string(OutputMode m) _const_;
+OutputMode output_mode_from_string(const char *s) _pure_;