-static void tui_set_tab_width_command (char *, int);
-static void tui_refresh_all_command (char *, int);
-static void tui_set_win_height_command (char *, int);
-static void tui_all_windows_info (char *, int);
-static void tui_set_focus_command (char *, int);
-static void tui_scroll_forward_command (char *, int);
-static void tui_scroll_backward_command (char *, int);
-static void tui_scroll_left_command (char *, int);
-static void tui_scroll_right_command (char *, int);
-static void parse_scrolling_args (char *,
+static void tui_set_tab_width_command (const char *, int);
+static void tui_refresh_all_command (const char *, int);
+static void tui_set_win_height_command (const char *, int);
+static void tui_all_windows_info (const char *, int);
+static void tui_set_focus_command (const char *, int);
+static void tui_scroll_forward_command (const char *, int);
+static void tui_scroll_backward_command (const char *, int);
+static void tui_scroll_left_command (const char *, int);
+static void tui_scroll_right_command (const char *, int);
+static void parse_scrolling_args (const char *,