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+/*-
+ * Copyright (c) 2003, 2004 David Young. 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 David Young may not be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY DAVID YOUNG ``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 DAVID
+ * YOUNG 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.
+ */
+
+#ifndef ND_CPACK_H
+#define ND_CPACK_H
+
+#include "netdissect.h"
+
+struct cpack_state {
+ const uint8_t *c_buf;
+ const uint8_t *c_next;
+ size_t c_len;
+};
+
+int nd_cpack_init(struct cpack_state *, const uint8_t *, size_t);
+
+int nd_cpack_uint8(netdissect_options *, struct cpack_state *, uint8_t *);
+int nd_cpack_int8(netdissect_options *, struct cpack_state *, int8_t *);
+int nd_cpack_uint16(netdissect_options *, struct cpack_state *, uint16_t *);
+int nd_cpack_int16(netdissect_options *, struct cpack_state *, int16_t *);
+int nd_cpack_uint32(netdissect_options *, struct cpack_state *, uint32_t *);
+int nd_cpack_int32(netdissect_options *, struct cpack_state *, int32_t *);
+int nd_cpack_uint64(netdissect_options *, struct cpack_state *, uint64_t *);
+int nd_cpack_int64(netdissect_options *, struct cpack_state *, int64_t *);
+
+const uint8_t *nd_cpack_next_boundary(const uint8_t *buf, const uint8_t *p, size_t alignment);
+const uint8_t *nd_cpack_align_and_reserve(struct cpack_state *cs, size_t wordsize);
+
+extern int nd_cpack_advance(struct cpack_state *, const size_t);
+
+#endif /* ND_CPACK_H */