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+/*
+ * Copyright (C) 2022 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Mach.
+ *
+ * GNU Mach 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, or (at your option) any later
+ * version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef _UTIL_BYTEORDER_H_
+#define _UTIL_BYTEORDER_H_
+
+#include <stdint.h>
+
+uint16_t ntohs(uint16_t netshort);
+uint32_t ntohl(uint32_t netlong);
+
+uint16_t htons(uint16_t hostshort);
+uint32_t htonl(uint32_t hostlong);
+
+#endif /* _UTIL_BYTEORDER_H_ */