.TZUSE - determine the time zone to be used for a locale.

Alternate Entry Name: _TZUSE

Usage:

B:
   %b/manif/t_ctrl
   tzref = .tzuse( tzloc, timenum );
C:
   #include <t_ctrl.h>
   _T_time_zone _tzuse(_T_locale tzloc, time_t timenum);

Where:

tzloc
is a locale reference number representing a time zone locale, as returned by .TLOCALE. If this value is zero, .TZUSE uses the current default locale.
timenum
represents a time as the number of seconds after 0:00 a.m. on January 1, 1970.
tzref
is a time zone reference value indicating the time zone that was being used by the given locale at the given time.

Description:

.TZUSE returns the time zone that is in effect at a specified time in a given locale.

See Also:

expl b tz
for background on time zones.

Copyright © 1996, Thinkage Ltd.