-#include <stdint.h> /* for uint16_t, uint32_t */
+#include <stdint.h> /* for uint8_t, uint16_t, uint32_t */
#include <stdio.h> /* for FILE typedef */
#include "yx_uint16.h" /* for yx_uint16 coordinates */
struct World;
-/* Toggle display of a window "win". */
-extern void toggle_window(struct WinMeta * win_meta, struct Win * win);
+/* Toggle display of a window "win".
+ *
+ * Return 0 on success, 1 on (ncurses pad/window memory allocation) error.
+ */
+extern uint8_t toggle_window(struct WinMeta * win_meta, struct Win * win);
/* Try to grow or shrink the active window horizontally ("change" = "*"/"_") or
* vertically ("change = "+"/"-") by one cell size, subject to the limitations
* provided by the window manager via resize_active_win().
+ *
+ * Return 0 on success, 1 on (ncurses pad/window memory allocation) error.
*/
-extern void growshrink_active_window(struct WinMeta * win_meta, char change);
+extern uint8_t growshrink_active_window(struct WinMeta * win_meta, char change);
/* Call some meta game / window management actions dependent on key. If the
* "quit" action is called, return 1 only instead of doing anything directly.
*/
-extern unsigned char meta_keys(int key, struct World * world,
- struct WinMeta * win_meta,
- struct Win * win_keys,
- struct Win * win_map,
- struct Win * win_info,
+extern uint8_t meta_keys(int key, struct World * world,
+ struct WinMeta * win_meta, struct Win * win_keys,
+ struct Win * win_map, struct Win * win_info,
struct Win * win_log);