1 files changed, 48 insertions, 48 deletions
diff --git a/libcxx/modules/std/cstdio.inc b/libcxx/modules/std/cstdio.inc
index eec8170..62fa2f5 100644
--- a/libcxx/modules/std/cstdio.inc
+++ b/libcxx/modules/std/cstdio.inc
@@ -8,53 +8,53 @@
 //===----------------------------------------------------------------------===//
 
 export namespace std {
-  using std::FILE;
-  using std::fpos_t;
-  using std::size_t;
+  using std::FILE _LIBCPP_USING_IF_EXISTS;
+  using std::fpos_t _LIBCPP_USING_IF_EXISTS;
+  using std::size_t _LIBCPP_USING_IF_EXISTS;
 
-  using std::clearerr;
-  using std::fclose;
-  using std::feof;
-  using std::ferror;
-  using std::fflush;
-  using std::fgetc;
-  using std::fgetpos;
-  using std::fgets;
-  using std::fopen;
-  using std::fprintf;
-  using std::fputc;
-  using std::fputs;
-  using std::fread;
-  using std::freopen;
-  using std::fscanf;
-  using std::fseek;
-  using std::fsetpos;
-  using std::ftell;
-  using std::fwrite;
-  using std::getc;
-  using std::getchar;
-  using std::perror;
-  using std::printf;
-  using std::putc;
-  using std::putchar;
-  using std::puts;
-  using std::remove;
-  using std::rename;
-  using std::rewind;
-  using std::scanf;
-  using std::setbuf;
-  using std::setvbuf;
-  using std::snprintf;
-  using std::sprintf;
-  using std::sscanf;
-  using std::tmpfile;
-  using std::tmpnam;
-  using std::ungetc;
-  using std::vfprintf;
-  using std::vfscanf;
-  using std::vprintf;
-  using std::vscanf;
-  using std::vsnprintf;
-  using std::vsprintf;
-  using std::vsscanf;
+  using std::clearerr _LIBCPP_USING_IF_EXISTS;
+  using std::fclose _LIBCPP_USING_IF_EXISTS;
+  using std::feof _LIBCPP_USING_IF_EXISTS;
+  using std::ferror _LIBCPP_USING_IF_EXISTS;
+  using std::fflush _LIBCPP_USING_IF_EXISTS;
+  using std::fgetc _LIBCPP_USING_IF_EXISTS;
+  using std::fgetpos _LIBCPP_USING_IF_EXISTS;
+  using std::fgets _LIBCPP_USING_IF_EXISTS;
+  using std::fopen _LIBCPP_USING_IF_EXISTS;
+  using std::fprintf _LIBCPP_USING_IF_EXISTS;
+  using std::fputc _LIBCPP_USING_IF_EXISTS;
+  using std::fputs _LIBCPP_USING_IF_EXISTS;
+  using std::fread _LIBCPP_USING_IF_EXISTS;
+  using std::freopen _LIBCPP_USING_IF_EXISTS;
+  using std::fscanf _LIBCPP_USING_IF_EXISTS;
+  using std::fseek _LIBCPP_USING_IF_EXISTS;
+  using std::fsetpos _LIBCPP_USING_IF_EXISTS;
+  using std::ftell _LIBCPP_USING_IF_EXISTS;
+  using std::fwrite _LIBCPP_USING_IF_EXISTS;
+  using std::getc _LIBCPP_USING_IF_EXISTS;
+  using std::getchar _LIBCPP_USING_IF_EXISTS;
+  using std::perror _LIBCPP_USING_IF_EXISTS;
+  using std::printf _LIBCPP_USING_IF_EXISTS;
+  using std::putc _LIBCPP_USING_IF_EXISTS;
+  using std::putchar _LIBCPP_USING_IF_EXISTS;
+  using std::puts _LIBCPP_USING_IF_EXISTS;
+  using std::remove _LIBCPP_USING_IF_EXISTS;
+  using std::rename _LIBCPP_USING_IF_EXISTS;
+  using std::rewind _LIBCPP_USING_IF_EXISTS;
+  using std::scanf _LIBCPP_USING_IF_EXISTS;
+  using std::setbuf _LIBCPP_USING_IF_EXISTS;
+  using std::setvbuf _LIBCPP_USING_IF_EXISTS;
+  using std::snprintf _LIBCPP_USING_IF_EXISTS;
+  using std::sprintf _LIBCPP_USING_IF_EXISTS;
+  using std::sscanf _LIBCPP_USING_IF_EXISTS;
+  using std::tmpfile _LIBCPP_USING_IF_EXISTS;
+  using std::tmpnam _LIBCPP_USING_IF_EXISTS;
+  using std::ungetc _LIBCPP_USING_IF_EXISTS;
+  using std::vfprintf _LIBCPP_USING_IF_EXISTS;
+  using std::vfscanf _LIBCPP_USING_IF_EXISTS;
+  using std::vprintf _LIBCPP_USING_IF_EXISTS;
+  using std::vscanf _LIBCPP_USING_IF_EXISTS;
+  using std::vsnprintf _LIBCPP_USING_IF_EXISTS;
+  using std::vsprintf _LIBCPP_USING_IF_EXISTS;
+  using std::vsscanf _LIBCPP_USING_IF_EXISTS;
 } // namespace std