iowin_char_t
iowin_char_t *io;
static int cs_find_io_win(uint32_t, iowin_char_t *, uint32_t *, uint32_t *);
iowin_char_t iowin_char;
cs_find_io_win(uint32_t sn, iowin_char_t *iwc, uint32_t *assigned_window,
iowin_char_t *iowc;
iowin_char_t iowin_char;
iowin_char_t iowin_char;