783     return isascii(c) ? (ctype<char>::classic_table()[c] & m) != 0 : false;  in do_is()
790         *vec = static_cast<mask>(isascii(*low) ?  in do_is()
799         if (isascii(*low) && (ctype<char>::classic_table()[*low] & m))  in do_scan_is()
808         if (!(isascii(*low) && (ctype<char>::classic_table()[*low] & m)))  in do_scan_not()
817     return isascii(c) ? _DefaultRuneLocale.__mapupper[c] : c;  in do_toupper()
819     return isascii(c) ? ctype<char>::__classic_upper_table()[c] : c;  in do_toupper()
821     return (isascii(c) && iswlower_l(c, _LIBCPP_GET_C_LOCALE)) ? c-L'a'+L'A' : c;  in do_toupper()
830         *low = isascii(*low) ? _DefaultRuneLocale.__mapupper[*low] : *low;  in do_toupper()
832         *low = isascii(*low) ? ctype<char>::__classic_upper_table()[*low]  in do_toupper()
835         *low = (isascii(*low) && islower_l(*low, _LIBCPP_GET_C_LOCALE)) ? (*low-L'a'+L'A') : *low;  in do_toupper()
844     return isascii(c) ? _DefaultRuneLocale.__maplower[c] : c;  in do_tolower()
846     return isascii(c) ? ctype<char>::__classic_lower_table()[c] : c;  in do_tolower()
848     return (isascii(c) && isupper_l(c, _LIBCPP_GET_C_LOCALE)) ? c-L'A'+'a' : c;  in do_tolower()
857         *low = isascii(*low) ? _DefaultRuneLocale.__maplower[*low] : *low;  in do_tolower()
859         *low = isascii(*low) ? ctype<char>::__classic_lower_table()[*low]  in do_tolower()
862         *low = (isascii(*low) && isupper_l(*low, _LIBCPP_GET_C_LOCALE)) ? *low-L'A'+L'a' : *low;  in do_tolower()
884     if (isascii(c))  in do_narrow()
893         if (isascii(*low))  in do_narrow()
923     return isascii(c) ?  in do_toupper()
928     return isascii(c) ?   in do_toupper()
931     return (isascii(c) && islower_l(c, _LIBCPP_GET_C_LOCALE)) ? c-'a'+'A' : c;  in do_toupper()
940         *low = isascii(*low) ?  in do_toupper()
945         *low = isascii(*low) ?  in do_toupper()
948         *low = (isascii(*low) && islower_l(*low, _LIBCPP_GET_C_LOCALE)) ? *low-'a'+'A' : *low;  in do_toupper()
957     return isascii(c) ?  in do_tolower()
962     return isascii(c) ?  in do_tolower()
965     return (isascii(c) && isupper_l(c, _LIBCPP_GET_C_LOCALE)) ? c-'A'+'a' : c;  in do_tolower()
974 …*low = isascii(*low) ? static_cast<char>(_DefaultRuneLocale.__maplower[static_cast<ptrdiff_t>(*low…  in do_tolower()
978 …*low = isascii(*low) ? static_cast<char>(__classic_lower_table()[static_cast<size_t>(*low)]) : *lo…  in do_tolower()
980         *low = (isascii(*low) && isupper_l(*low, _LIBCPP_GET_C_LOCALE)) ? *low-'A'+'a' : *low;  in do_tolower()
1002     if (isascii(c))  in do_narrow()
1011         if (isascii(*low))  in do_narrow()
1290         if (isascii(*low))  in do_is()