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diff --git a/src/vlib/format_funcs.h b/src/vlib/format_funcs.h
new file mode 100644
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+++ b/src/vlib/format_funcs.h
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+/*
+ * Copyright (c) 2015 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.
+ */
+/*
+ * format_funcs.h: VLIB formatting/unformating
+ *
+ * Copyright (c) 2008 Eliot Dresselhaus
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef included_vlib_format_h
+#define included_vlib_format_h
+
+/* Format vlib_rx_or_tx_t/vlib_read_or_write_t enum as string. */
+u8 *format_vlib_rx_tx (u8 * s, va_list * args);
+u8 *format_vlib_read_write (u8 * s, va_list * args);
+
+/* Formats buffer data as printable ascii or as hex. */
+u8 *format_vlib_buffer_data (u8 * s, va_list * args);
+
+/* Enable/on => 1; disable/off => 0. */
+uword unformat_vlib_enable_disable (unformat_input_t * input, va_list * args);
+
+/* rx/tx => VLIB_RX/VLIB_TX. */
+uword unformat_vlib_rx_tx (unformat_input_t * input, va_list * args);
+
+/* Parse a-zA-Z0-9_ token and hash to value. */
+uword unformat_vlib_number_by_name (unformat_input_t * input, va_list * args);
+
+/* Parse an int either %d or 0x%x. */
+uword unformat_vlib_number (unformat_input_t * input, va_list * args);
+
+/* Flag to format_vlib_*_header functions to tell them not to recurse
+   into the next layer's header.  For example, tells format_vlib_ethernet_header
+   not to format ip header. */
+#define FORMAT_VLIB_HEADER_NO_RECURSION (~0)
+
+#endif /* included_vlib_format_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */