-/* Return the offset necessary to center "map" on position "pos" in a frame of
- * "framesize.
- */
-extern uint16_t center_offset(uint16_t pos, uint16_t mapsize,
- uint16_t framesize);
-
-
-
-/* Record last player "action" in game record file "record, increment the game
- * turn and trigger enemy movement.
- */
-extern void turn_over(struct World * world, char action);
-
-
+/* Append "text" to game log, or a "." if "text" is the same as the last one. */
+extern void update_log(char * text);