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-rw-r--r--libcxx/include/cwctype2
1 files changed, 2 insertions, 0 deletions
diff --git a/libcxx/include/cwctype b/libcxx/include/cwctype
index 17c68d6d4544..27eea2f15730 100644
--- a/libcxx/include/cwctype
+++ b/libcxx/include/cwctype
@@ -59,6 +59,7 @@ wctrans_t wctrans(const char* property);
_LIBCPP_BEGIN_NAMESPACE_STD
+#if defined(_LIBCPP_INCLUDED_C_LIBRARY_WCTYPE_H)
using ::wint_t _LIBCPP_USING_IF_EXISTS;
using ::wctrans_t _LIBCPP_USING_IF_EXISTS;
using ::wctype_t _LIBCPP_USING_IF_EXISTS;
@@ -80,6 +81,7 @@ using ::towlower _LIBCPP_USING_IF_EXISTS;
using ::towupper _LIBCPP_USING_IF_EXISTS;
using ::towctrans _LIBCPP_USING_IF_EXISTS;
using ::wctrans _LIBCPP_USING_IF_EXISTS;
+#endif // _LIBCPP_INCLUDED_C_LIBRARY_WCTYPE_H
_LIBCPP_END_NAMESPACE_STD