Halfway done

include/sdlhelpers.h

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+//
+// Created by hamo on 11/25/22.
+//
+#include <SDL2/SDL.h>
+
+#ifndef LETTERGAME_SDLHELPERS_H
+#define LETTERGAME_SDLHELPERS_H
+int
+SDH_fill_rounded_box_b( SDL_Surface* dst, int xo, int yo,
+                    int w, int h, int r, Uint32 color );
+Uint32 ColourToUint(int R, int G, int B);
+SDL_Colour UintToColour(Uint32 colour);
+#endif //LETTERGAME_SDLHELPERS_H