Function mktime

components/libc/compilers/common/ctime.c:233–244

RTM_EXPORT(localtime);

time_t mktime(struct tm * const t)
{
    time_t timestamp;

    timestamp = timegm(t);
#if defined(RT_LIBC_USING_LIGHT_TZ_DST)
    timestamp = timestamp - rt_tz_get();
#else
    timestamp = timestamp - 0U;
#endif /* RT_LIBC_USING_LIGHT_TZ_DST */
    return timestamp;
}
RTM_EXPORT(mktime);

char* asctime_r(const struct tm *t, char *buf)