usec_t timeval_load(const struct timeval *tv) _pure_;
struct timeval *timeval_store(struct timeval *tv, usec_t u);
-char *format_timestamp_internal(char *buf, size_t l, usec_t t, bool utc);
char *format_timestamp(char *buf, size_t l, usec_t t);
-char *format_timestamp_us(char *buf, size_t l, usec_t t, bool utc);
+char *format_timestamp_utc(char *buf, size_t l, usec_t t);
+char *format_timestamp_us(char *buf, size_t l, usec_t t);
+char *format_timestamp_us_utc(char *buf, size_t l, usec_t t);
char *format_timestamp_relative(char *buf, size_t l, usec_t t);
char *format_timespan(char *buf, size_t l, usec_t t, usec_t accuracy);