Integrated dictionary builder into zstd cli
diff --git a/programs/dibio.h b/programs/dibio.h
new file mode 100644
index 0000000..9b8deb5
--- /dev/null
+++ b/programs/dibio.h
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+/*
+    dibio.h - I/O API for dictionary builder
+    Copyright (C) Yann Collet 2016
+
+    GPL v2 License
+
+    This program 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 of the License, 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.
+
+    You can contact the author at :
+    - zstd homepage : http://www.zstd.net/
+*/
+
+/* This library is designed for a single-threaded console application.
+*  It exit() and printf() into stderr when it encounters an error condition. */
+
+#ifndef DIBIO_H_003
+#define DIBIO_H_003
+
+
+/*-*************************************
+*  Dependencies
+***************************************/
+#include "dictBuilder_static.h"   /* ZDICT_params_t */
+
+
+/*-*************************************
+*  Public functions
+***************************************/
+/*! DiB_trainFromFiles() :
+    Train a dictionary from a set of files provided by `fileNamesTable`.
+    Resulting dictionary is written into file `dictFileName`.
+    `parameters` is optional and can be provided with values set to 0, meaning "default".
+    @return : 0 == ok. Any other : error.
+*/
+int DiB_trainFromFiles(const char* dictFileName, unsigned maxDictSize,
+                       const char** fileNamesTable, unsigned nbFiles,
+                       ZDICT_params_t parameters);
+
+
+/*-*************************************
+*  Helper functions
+***************************************/
+/*! DiB_setNotificationLevel
+    Set amount of notification to be displayed on the console.
+    default initial value : 0 = no console notification.
+    Note : not thread-safe (use a global constant)
+*/
+void DiB_setNotificationLevel(unsigned l);
+
+
+#endif