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diff --git a/src/util.h b/src/util.h
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+/* Copyright (c) 2015 Harry Jeffery
+
+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.
+*/
+
+#ifndef UTIL_H
+#define UTIL_H
+
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_ttf.h>
+
+SDL_Texture *create_chequered(SDL_Renderer *renderer);
+int parse_hex_color(const char* str,
+  unsigned char *r, unsigned char *g, unsigned char *b);
+TTF_Font *load_font(const char *font_spec);
+
+#endif