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diff --git a/libccnx-common/ccnx/common/codec/schema_v1/ccnxCodecSchemaV1_FixedHeaderDecoder.h b/libccnx-common/ccnx/common/codec/schema_v1/ccnxCodecSchemaV1_FixedHeaderDecoder.h
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+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * 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.
+ */
+
+/**
+ */
+#ifndef Libccnx_ccnxCodecSchemaV1_FixedHeaderDecoder_h
+#define Libccnx_ccnxCodecSchemaV1_FixedHeaderDecoder_h
+
+#include <stdbool.h>
+
+#include <parc/algol/parc_Buffer.h>
+
+#include <ccnx/common/internal/ccnx_TlvDictionary.h>
+#include <ccnx/common/codec/ccnxCodec_TlvDecoder.h>
+
+/**
+ * The decode a V1 fixed header
+ *
+ * The decoder should point to byte 0 of the Fixed Header.
+ * It will be advanced to the first byte following it.
+ * The results are put in the provided.
+ *
+ * @param [in] decoder The decoder to parse
+ * @param [in] dictionary The results go directly in to the provided dictionary.
+ *
+ * @return true Fully parsed interest, no errors
+ * @return false Error decoding, decoder is left pointing to the first byte of the error
+ *
+ * Example:
+ * @code
+ * <#example#>
+ * @endcode
+ */
+bool ccnxCodecSchemaV1FixedHeaderDecoder_Decode(CCNxCodecTlvDecoder *decoder, CCNxTlvDictionary *packetDictionary);
+
+/**
+ * A convenience function to return the version
+ *
+ * <#Paragraphs Of Explanation#>
+ *
+ * @param [in] fixedHeaderDictionary The FixedHeader dictionary
+ *
+ * @return positive The Version
+ * @return -1 The field does not exist
+ *
+ * Example:
+ * @code
+ * <#example#>
+ * @endcode
+ */
+int ccnxCodecSchemaV1FixedHeaderDecoder_GetVersion(CCNxTlvDictionary *packetDictionary);
+
+/**
+ * A convenience function to return the PacketType
+ *
+ * <#Paragraphs Of Explanation#>
+ *
+ * @param [in] fixedHeaderDictionary The FixedHeader dictionary
+ *
+ * @return positive The PacketType
+ * @return -1 The field does not exist
+ *
+ * Example:
+ * @code
+ * <#example#>
+ * @endcode
+ */
+int ccnxCodecSchemaV1FixedHeaderDecoder_GetPacketType(CCNxTlvDictionary *packetDictionary);
+
+/**
+ * A convenience function to return the PacketLength
+ *
+ * The PacketLength is measured from byte 0 to the end of the packet
+ *
+ * @param [in] fixedHeaderDictionary The FixedHeader dictionary
+ *
+ * @return positive The packet length (in host byte order)
+ * @return -1 The field does not exist
+ *
+ * Example:
+ * @code
+ * <#example#>
+ * @endcode
+ */
+int ccnxCodecSchemaV1FixedHeaderDecoder_GetPacketLength(CCNxTlvDictionary *packetDictionary);
+
+/**
+ * A convenience function to return the HeaderLength
+ *
+ * In a version 1 packet, the header length includes the fixed header. It is measured from
+ * byte 0 to the end of the hop-by-hop headers.
+ *
+ * @param [in] fixedHeaderDictionary The FixedHeader dictionary
+ *
+ * @return positive The header length
+ * @return -1 The field does not exist
+ *
+ * Example:
+ * @code
+ * <#example#>
+ * @endcode
+ */
+int ccnxCodecSchemaV1FixedHeaderDecoder_GetHeaderLength(CCNxTlvDictionary *packetDictionary);
+
+/**
+ * Returns the bytes of the optional headers
+ *
+ * Computes ccnxCodecSchemaV1FixedHeaderDecoder_GetHeaderLength() - sizeof(fixedHeader)
+ *
+ * @param [in] fixedHeaderDictionary The FixedHeader dictionary
+ *
+ * @retval non-negative The length of the optional headers
+ * @retval negative An error
+ *
+ * Example:
+ * @code
+ * <#example#>
+ * @endcode
+ */
+int ccnxCodecSchemaV1FixedHeaderDecoder_GetOptionalHeaderLength(CCNxTlvDictionary *packetDictionary);
+
+
+/**
+ * A convenience function to return the ReturnCode of an Interest or InterestReturn
+ *
+ * @param [in] fixedHeaderDictionary The FixedHeader dictionary
+ *
+ * @return positive The Return Code
+ * @return -1 The field does not exist
+ *
+ * Example:
+ * @code
+ * <#example#>
+ * @endcode
+ */
+int ccnxCodecSchemaV1FixedHeaderDecoder_GetReturnCode(CCNxTlvDictionary *packetDictionary);
+
+/**
+ * A convenience function to return the header Flags
+ *
+ * @param [in] fixedHeaderDictionary The FixedHeader dictionary
+ *
+ * @return positive The flags
+ * @return -1 The field does not exist
+ *
+ * Example:
+ * @code
+ * <#example#>
+ * @endcode
+ */
+int ccnxCodecSchemaV1FixedHeaderDecoder_GetFlags(CCNxTlvDictionary *packetDictionary);
+
+#endif // Libccnx_ccnxCodecSchemaV1_FixedHeaderDecoder_h