Deletes the specified window from memory.

    Format

      #include  <curses.h>

      int delwin  (WINDOW *win);

1 - Argument

 win

    A pointer to the window.

2 - Description

    If the window being deleted contains a subwindow, the subwindow
    is invalidated. Delete subwindows before deleting their parent.
    The delwin function refreshes all windows covered by the deleted
    window.

3 - Return Values

    OK                 Indicates success.
    ERR                Indicates an error.