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-rw-r--r--include/stdio.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/stdio.h b/include/stdio.h
index 043b2b56bc..78bd3c471b 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -160,7 +160,10 @@ extern __typeof (fgets_unlocked) __fgets_unlocked;
 libc_hidden_proto (__fgets_unlocked)
 libc_hidden_proto (fputs_unlocked)
 libc_hidden_proto (fmemopen)
-libc_hidden_proto (open_memstream)
+/* The prototype needs repeating instead of using __typeof to use
+   __THROW in C++.  */
+extern FILE *__open_memstream (char **, size_t *) __THROW __wur;
+libc_hidden_proto (__open_memstream)
 libc_hidden_proto (__libc_fatal)
 libc_hidden_proto (__vsprintf_chk)
 libc_hidden_proto (__vsnprintf_chk)