#ifdef HAVE_TM_GMTOFF
snprintf(tzbuf, sizeof(tzbuf), "%c%02d:%02d", (ta->tm_gmtoff < 0) ? '-' : '+', abs(ta->tm_gmtoff / 3600), abs( (ta->tm_gmtoff % 3600) / 60 ));
#else
-# ifdef __CYGWIN__
+# if defined(__CYGWIN__) || defined(NETWARE)
snprintf(tzbuf, sizeof(tzbuf), "%c%02d:%02d", ((ta->tm_isdst ? _timezone - 3600:_timezone)>0)?'-':'+', abs((ta->tm_isdst ? _timezone - 3600 : _timezone) / 3600), abs(((ta->tm_isdst ? _timezone - 3600 : _timezone) % 3600) / 60));
# else
snprintf(tzbuf, sizeof(tzbuf), "%c%02d:%02d", ((ta->tm_isdst ? timezone - 3600:timezone)>0)?'-':'+', abs((ta->tm_isdst ? timezone - 3600 : timezone) / 3600), abs(((ta->tm_isdst ? timezone - 3600 : timezone) % 3600) / 60));