Return the character at the current cursor position on the
    specified window without making changes to the window. The inch
    function acts on the stdscr window.

    Format

      #include  <curses.h>

      char inch();

      char winch  (WINDOW *win);

1 - Argument

 win

    A pointer to the window.

2 - Return Values

    x                  The returned character.
    ERR                Indicates an input error.