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diff --git a/libparc/parc/algol/parc_DisplayIndented.h b/libparc/parc/algol/parc_DisplayIndented.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.
+ */
+
+/**
+ * @file parc_DisplayIndented.h
+ * @ingroup developer
+ * @brief Support for displaying information on the console.
+ *
+ *
+ */
+#ifndef libparc_parc_DisplayIndented_h
+#define libparc_parc_DisplayIndented_h
+
+#include <stdarg.h>
+#include <stdlib.h>
+
+/**
+ * Print an indented, formatted string on standard output.
+ *
+ * The line is automatically terminated with a new line.
+ *
+ * @param [in] indentation The indentation level of the output.
+ * @param [in] format The format string.
+ * @param [in] ... A variable number of arguments.
+ *
+ * Example:
+ * @code
+ * {
+ *     parcDisplayIndented_PrintLine(2, "This is printed on standard output, at indentation level 2");
+ * }
+ * @endcode
+ */
+void parcDisplayIndented_PrintLine(int indentation, const char *format, ...);
+
+/**
+ * Print memory.
+ *
+ * @param [in] indentation The indentation level of the output.
+ * @param [in] length The length of the array.
+ * @param [in] memory The memory array.
+ *
+ * Example:
+ * @code
+ * {
+ *     <#example#>
+ * }
+ * @endcode
+ */
+void parcDisplayIndented_PrintMemory(int indentation, size_t length, const char *memory);
+#endif // libparc_parc_DisplayIndented_h