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-rw-r--r--include/stdio.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/stdio.h b/include/stdio.h
index c46c7cd5f6..86eeb1ec36 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -110,6 +110,17 @@ libc_hidden_proto (fputs_unlocked)
 libc_hidden_proto (open_memstream)
 libc_hidden_proto (__libc_fatal)
 
+#  if !defined NOT_IN_libc && defined SHARED && defined DO_VERSIONING \
+  && defined HAVE_VISIBILITY_ATTRIBUTE && !defined HAVE_BROKEN_ALIAS_ATTRIBUTE\
+  && !defined NO_HIDDEN
+/* Special gcc builtins.  */
+extern size_t __builtin_fwrite (const void *, size_t, size_t, void *)
+     __asm ("__GI_fwrite");
+extern size_t __builtin_fwrite_unlocked (const void *, size_t, size_t, void *)
+     __asm ("__GI_fwrite_unlocked");
+
+#  endif
+
 # endif
 
 #endif