void draw_windows_borders (struct Win *, struct Win *, struct Corners *, int);
void draw_window_borders (struct Win *, char);
void draw_all_windows (struct WinMeta *);
void draw_windows_borders (struct Win *, struct Win *, struct Corners *, int);
void draw_window_borders (struct Win *, char);
void draw_all_windows (struct WinMeta *);