MON_1
{ _CITRUS_LC_TIME_SYM_MON_1, OFFSET(mon[MON_IDX(MON_1)] ) },
for (i = MON_IDX(MON_1), j = MON_IDX(MON_12); i <= j; ++i)
#define MON_IDX(idx) ((size_t)idx - (size_t)MON_1)
[ MON_1 ] = offsetofu16(_TimeLocale, mon[0]),
[ MON_1 ] = LC_TIME,
{ "mon_1", 1, LC_TIME, MON_1, "" },