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diff --git a/test/fuzz/fuzz_common.h b/test/fuzz/fuzz_common.h
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+++ b/test/fuzz/fuzz_common.h
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+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Simon Goldschmidt <goldsimon@gmx.de>
+ *
+ */
+#ifndef LWIP_HDR_FUZZ_COMMON_H
+#define LWIP_HDR_FUZZ_COMMON_H
+
+#include "lwip/opt.h"
+#include "lwip/arch.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum lwip_fuzz_type {
+  LWIP_FUZZ_SINGLE = 0,
+  LWIP_FUZZ_MULTIPACKET = 1,
+  LWIP_FUZZ_MULTIPACKET_TIME = 2
+};
+
+/* bitmask of what to test: */
+#define LWIP_FUZZ_DEFAULT    0x01
+#define LWIP_FUZZ_STATICARP  0x02
+#define LWIP_FUZZ_TCP_SERVER 0x04
+#define LWIP_FUZZ_TCP_CLIENT 0x08
+#define LWIP_FUZZ_UDP_SERVER 0x10
+#define LWIP_FUZZ_UDP_CLIENT 0x20
+
+int lwip_fuzztest(int argc, char** argv, enum lwip_fuzz_type type, u32_t test_apps);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_HDR_FUZZ_COMMON_H */