17 extern time_t mktime(struct tm*);
483 int os_gmtime(os_time_t t, struct os_tm *tm)  in os_gmtime()  argument
485 	struct tm *tm2;  in os_gmtime()
491 	tm->sec = tm2->tm_sec;  in os_gmtime()
492 	tm->min = tm2->tm_min;  in os_gmtime()
493 	tm->hour = tm2->tm_hour;  in os_gmtime()
494 	tm->day = tm2->tm_mday;  in os_gmtime()
495 	tm->month = tm2->tm_mon + 1;  in os_gmtime()
496 	tm->year = tm2->tm_year + 1900;  in os_gmtime()
503 	struct tm tm;  in os_mktime()  local
510 	os_memset(&tm, 0, sizeof(tm));  in os_mktime()
511 	tm.tm_year = year - 1900;  in os_mktime()
512 	tm.tm_mon = month - 1;  in os_mktime()
513 	tm.tm_mday = day;  in os_mktime()
514 	tm.tm_hour = hour;  in os_mktime()
515 	tm.tm_min = min;  in os_mktime()
516 	tm.tm_sec = sec;  in os_mktime()
518 	*t = (os_time_t) mktime(&tm);  in os_mktime()