120   int sign, n;  in _tzset_unlocked()  local
155       if (sscanf (tzenv, "%11[-+0-9A-Za-z]%n", __tzname_std, &n) <= 0  in _tzset_unlocked()
156 		|| n < TZNAME_MIN || TZNAME_MAX < n || '>' != tzenv[n])  in _tzset_unlocked()
164       if (sscanf (tzenv, "%11[A-Za-z]%n", __tzname_std, &n) <= 0  in _tzset_unlocked()
165 				|| n < TZNAME_MIN || TZNAME_MAX < n)  in _tzset_unlocked()
169   tzenv += n;  in _tzset_unlocked()
183   if (sscanf (tzenv, "%hu%n:%hu%n:%hu%n", &hh, &n, &mm, &n, &ss, &n) < 1)  in _tzset_unlocked()
187   tzenv += n;  in _tzset_unlocked()
195       if (sscanf (tzenv, "%11[-+0-9A-Za-z]%n", __tzname_dst, &n) <= 0 && tzenv[0] == '>')  in _tzset_unlocked()
203       else if (n < TZNAME_MIN || TZNAME_MAX < n || '>' != tzenv[n])  in _tzset_unlocked()
213       if (sscanf (tzenv, "%11[A-Za-z]%n", __tzname_dst, &n) <= 0)  in _tzset_unlocked()
221       else if (n < TZNAME_MIN || TZNAME_MAX < n)  in _tzset_unlocked()
227   tzenv += n;  in _tzset_unlocked()
243   n  = 0;  in _tzset_unlocked()
244   if (sscanf (tzenv, "%hu%n:%hu%n:%hu%n", &hh, &n, &mm, &n, &ss, &n) <= 0)  in _tzset_unlocked()
249   tzenv += n;  in _tzset_unlocked()
258 	  if (sscanf (tzenv, "M%hu%n.%hu%n.%hu%n", &m, &n, &w, &n, &d, &n) != 3 ||  in _tzset_unlocked()
264 	  tz->__tzrule[i].n = w;  in _tzset_unlocked()
267 	  tzenv += n;  in _tzset_unlocked()
291 		  tz->__tzrule[0].n = 2;  in _tzset_unlocked()
298 		  tz->__tzrule[1].n = 1;  in _tzset_unlocked()
315       n = 0;  in _tzset_unlocked()
318 	if (sscanf (tzenv, "/%hu%n:%hu%n:%hu%n", &hh, &n, &mm, &n, &ss, &n) <= 0)  in _tzset_unlocked()
328       tzenv += n;  in _tzset_unlocked()