777     return isascii(c) ? (ctype<char>::classic_table()[c] & m) != 0 : false;  in do_is()
784         *vec = static_cast<mask>(isascii(*low) ?  in do_is()
793         if (isascii(*low) && (ctype<char>::classic_table()[*low] & m))  in do_scan_is()
802         if (!(isascii(*low) && (ctype<char>::classic_table()[*low] & m)))  in do_scan_not()
811     return isascii(c) ? _DefaultRuneLocale.__mapupper[c] : c;  in do_toupper()
814     return isascii(c) ? ctype<char>::__classic_upper_table()[c] : c;  in do_toupper()
816     return (isascii(c) && iswlower_l(c, _LIBCPP_GET_C_LOCALE)) ? c-L'a'+L'A' : c;  in do_toupper()
825         *low = isascii(*low) ? _DefaultRuneLocale.__mapupper[*low] : *low;  in do_toupper()
828         *low = isascii(*low) ? ctype<char>::__classic_upper_table()[*low]  in do_toupper()
831         *low = (isascii(*low) && islower_l(*low, _LIBCPP_GET_C_LOCALE)) ? (*low-L'a'+L'A') : *low;  in do_toupper()
840     return isascii(c) ? _DefaultRuneLocale.__maplower[c] : c;  in do_tolower()
843     return isascii(c) ? ctype<char>::__classic_lower_table()[c] : c;  in do_tolower()
845     return (isascii(c) && isupper_l(c, _LIBCPP_GET_C_LOCALE)) ? c-L'A'+'a' : c;  in do_tolower()
854         *low = isascii(*low) ? _DefaultRuneLocale.__maplower[*low] : *low;  in do_tolower()
857         *low = isascii(*low) ? ctype<char>::__classic_lower_table()[*low]  in do_tolower()
860         *low = (isascii(*low) && isupper_l(*low, _LIBCPP_GET_C_LOCALE)) ? *low-L'A'+L'a' : *low;  in do_tolower()
882     if (isascii(c))  in do_narrow()
891         if (isascii(*low))  in do_narrow()
921     return isascii(c) ?  in do_toupper()
926     return isascii(c) ?  in do_toupper()
929     return (isascii(c) && islower_l(c, _LIBCPP_GET_C_LOCALE)) ? c-'a'+'A' : c;  in do_toupper()
938         *low = isascii(*low) ?  in do_toupper()
943         *low = isascii(*low) ?  in do_toupper()
946         *low = (isascii(*low) && islower_l(*low, _LIBCPP_GET_C_LOCALE)) ? *low-'a'+'A' : *low;  in do_toupper()
955     return isascii(c) ?  in do_tolower()
960     return isascii(c) ?  in do_tolower()
963     return (isascii(c) && isupper_l(c, _LIBCPP_GET_C_LOCALE)) ? c-'A'+'a' : c;  in do_tolower()
972 …*low = isascii(*low) ? static_cast<char>(_DefaultRuneLocale.__maplower[static_cast<ptrdiff_t>(*low…  in do_tolower()
976 …*low = isascii(*low) ? static_cast<char>(__classic_lower_table()[static_cast<size_t>(*low)]) : *lo…  in do_tolower()
978         *low = (isascii(*low) && isupper_l(*low, _LIBCPP_GET_C_LOCALE)) ? *low-'A'+'a' : *low;  in do_tolower()
1000     if (isascii(c))  in do_narrow()
1009         if (isascii(*low))  in do_narrow()
1284         if (isascii(*low))  in do_is()