} col_t;
/* Mouse drag data */
-drag_t move_mode;
-win_t *move_win;
-ptr_t move_prev;
+static drag_t move_mode;
+static win_t *move_win;
+static ptr_t move_prev;
/* Window management data */
-list_t *wm_cols;
-win_t *wm_root;
+static list_t *wm_cols;
+static win_t *wm_root;
/* Helper functions */
static void set_mode(drag_t drag, win_t *win, ptr_t ptr)