30 	struct timezone tz;  in set_tz()  local
32 	tz.tz_minuteswest = min;  in set_tz()
33 	tz.tz_dsttime = dst;  in set_tz()
35 	return settimeofday(0, &tz);  in set_tz()
40 	struct timezone tz;  in get_tz_min()  local
43 	memset(&tz, 0, sizeof(tz));  in get_tz_min()
44 	gettimeofday(&tv, &tz);  in get_tz_min()
45 	return tz.tz_minuteswest;  in get_tz_min()
50 	struct timezone tz;  in get_tz_dst()  local
53 	memset(&tz, 0, sizeof(tz));  in get_tz_dst()
54 	gettimeofday(&tv, &tz);  in get_tz_dst()
55 	return tz.tz_dsttime;  in get_tz_dst()