Function ncurses::copywin

pub fn copywin(src_win: WINDOW,
               dest_win: WINDOW,
               src_min_row: i32,
               src_min_col: i32,
               dest_min_row: i32,
               dest_min_col: i32,
               dest_max_row: i32,
               dest_max_col: i32,
               overlay: i32)
               -> i32