SECS_PER_DAY
result += (time.tm_mday - 1) * SECS_PER_DAY; /*%< Days */
result += mdays * SECS_PER_DAY; /*%< Months */
result += SECS_PER_DAY; /*%< Add leapday for this year */
result += (time.tm_year - 70) * (SECS_PER_DAY*365); /*%< Years */
result += SECS_PER_DAY; /*%< Add leapday for prev year */
days = *clock / SECS_PER_DAY;
rem = *clock % SECS_PER_DAY;
rem += SECS_PER_DAY;
while (rem >= SECS_PER_DAY) {
rem -= SECS_PER_DAY;