#include <stdint.h> /* for uint8_t */
-struct World;
/* Exit orderly, clean up. */
-extern void exit_game(struct World * world);
+extern void exit_game();
* unknown", secondly of "err" as the "internal error code", and thirdly of
* errno if it is non-zero.
*/
-extern void exit_err(uint8_t err, struct World * world, char * msg);
+extern void exit_err(uint8_t err, char * msg);