#include <CoreFoundation/CoreFoundation.h>

//work
/*CFTimeZoneCopySystem

Returns the time zone currently used by the system.

CFTimeZoneRef CFTimeZoneCopySystem ();
Return Value

A time zone representing the time zone currently used by the system, or the GMT time zone if the current zone cannot be determined. Ownership follows the Create Rule.
Availability
Available in Mac OS X v10.0 and later.*/
CFTimeZoneRef CFTimeZoneCopySystem (){};

