Bcp47GetDistanceCString, ,Bcp47GetNeutralFormCString, ,Bcp47IsValid, ,CompareBcp47Tags, ,FormatLanguageList, ,FormatLanguageTag, ,GetApplicationLanguagesWithUserLanguagesFallback, ,GetApplicationLayoutDirection, ,GetClosenessOfUnIsoRegionTags, ,GetCompositeRegionCode, ,GetDistanceOfClosestLanguageInList, ,GetLanguageDirectionality, ,GetParentCompositeRegionCode, ,GetUserLanguagesForUserOrSystem, ,IsValidTag, ,IsValidUnIsoRegionTag, ,IsWellFormedTag.