extern void tui_free_all_source_wins_content (void);
extern void tui_del_window (struct tui_win_info *);
extern void tui_del_data_windows (tui_win_content, int);
-extern struct tui_win_info *tui_partial_win_by_name (char *);
+extern struct tui_win_info *tui_partial_win_by_name (const char *);
extern const char *tui_win_name (const struct tui_gen_win_info *);
extern enum tui_layout_type tui_current_layout (void);
extern void tui_set_current_layout_to (enum tui_layout_type);