void cmd_focus(I3_CMD);
/**
- * Implementation of 'fullscreen [global]'.
+ * Implementation of 'fullscreen [enable|disable|toggle] [global]'.
*
*/
-void cmd_fullscreen(I3_CMD, char *fullscreen_mode);
+void cmd_fullscreen(I3_CMD, char *action, char *fullscreen_mode);
/**
* Implementation of 'move <direction> [<pixels> [px]]'.