New attack function for single character in characters.h, need implementation (example in shade.h)

src/constants.h

@@ -9,9 +9,11 @@ const int INF = 0x3F3F3F3F;
 enum error {none};
 
 // TODO: update result to include subject
-enum result {fine, died, go_down, hit, moved, miss};
+enum result {fine, died, go_down, go_up, hit, moved, miss};
 
-enum game_status {terminated, main_menu, in_game, options};
+enum game_status {terminated, main_menu, in_game, options,
+                  dead, won, escaped, restart
+                 };
 
 enum game_command {game_command_terminate = 0,
                    move_north, move_south, move_east, move_west,