* Returns the next workspace.
*
*/
-Con* workspace_next();
+Con* workspace_next(void);
/**
* Returns the previous workspace.
*
*/
-Con* workspace_prev();
+Con* workspace_prev(void);
/**
* Returns the next workspace on the same output
*
*/
-Con* workspace_next_on_output();
+Con* workspace_next_on_output(void);
/**
* Returns the previous workspace on the same output
*
*/
-Con* workspace_prev_on_output();
+Con* workspace_prev_on_output(void);
/**
* Focuses the previously focused workspace.
*
*/
-void workspace_back_and_forth();
+void workspace_back_and_forth(void);
#if 0