date2isoweek date2isoyear date2isoyearday dt2local dt2time EncodeSpecialTimestamp GetCurrentTimestamp GetEpochTime interval2tm isoweek2date isoweek2j isoweekdate2date SAMESIGN SetEpochTimestamp time2t timestamp2tm timestamp_cmp_internal tm2interval tm2timestamp

SAMESIGN #define SAMESIGN (   a,   b  )    (((a) < 0) == ((b) < 0))