7 typedef enum {FREE
, WALL
, BOX
, TARGET
, AGENT
, TARGAGENT
, TARGBOX
} sokoban_tile
;
20 sokoban_screen
*parse_screen(FILE *stream
);
22 sokoban_screen
*get_coord(int x
, int y
, sokoban_screen
*screen
);
24 void sokoban_print(sokoban_screen
*screen
);
26 void sokoban_free(sokoban_screen
*screen
);