diff --git a/include/proto/mworker.h b/include/proto/mworker.h
new file mode 100644
index 0000000..13e5c27
--- /dev/null
+++ b/include/proto/mworker.h
@@ -0,0 +1,19 @@
+/*
+ * Master Worker
+ *
+ * Copyright HAProxy Technologies 2019 - William Lallemand <wlallemand@haproxy.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ */
+
+#ifndef PROTO_MWORKER_H_
+#define PROTO_MWORKER_H_
+
+void mworker_proc_list_to_env();
+void mworker_env_to_proc_list();
+
+#endif /* PROTO_MWORKER_H_ */