int off = hw_GetTimeZone(int *isdst, struct hwTagList *tags);
off
will be set to the
number of minutes of this computer's time from UTC and isdst
will be
a boolean value that specifies whether or not daylight saving time
is currently active in the host system's time zone. If you don't
need daylight saving information, pass NULL
in isdst
.
Note that off
will be negative if the host system is east of UTC
and positive if it is west of UTC.
This function is thread-safe.
int
receiving the flag whether or not
daylight saving time is active; this can be NULL
NULL