2 //===----------------------------------------------------------------------===//
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
8 //===----------------------------------------------------------------------===//
10 export namespace std {
11 // Note the Standard does not mark these symbols optional, but libc++'s header
12 // does. So this seems strictly not to be conforming.
14 // mbstate_t is conditionally here, but always present in cwchar.cppm. To avoid
15 // conflicing declarations omit the using here.
17 // size_t is conditionally here, but always present in cstddef.cppm. To avoid
18 // conflicing declarations omit the using here.
20 #if !defined(_LIBCPP_HAS_NO_C8RTOMB_MBRTOC8)
21 using std::mbrtoc8 _LIBCPP_USING_IF_EXISTS;
22 using std::c8rtomb _LIBCPP_USING_IF_EXISTS;
24 using std::mbrtoc16 _LIBCPP_USING_IF_EXISTS;
25 using std::c16rtomb _LIBCPP_USING_IF_EXISTS;
26 using std::mbrtoc32 _LIBCPP_USING_IF_EXISTS;
27 using std::c32rtomb _LIBCPP_USING_IF_EXISTS;