diff --git a/tests/stdlib.h b/tests/stdlib.h
new file mode 100644
index 0000000..4ce4c60
--- /dev/null
+++ b/tests/stdlib.h
@@ -0,0 +1,17 @@
+// Copyright 2018 The Bazel Authors.
+//
+// Licensed under the Apache License, Version 2.0(the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http:  // www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+void hello();
+
+void test_pthread_symbols();