wattr_off
extern int wattr_off(WINDOW *, attr_t, void *);
#define attr_off(a,o) wattr_off(stdscr,a,o)
code = wattr_off(__m_screen->_slk._w, at, opts);
extern int wattr_off(WINDOW *, attr_t, void *);
#define attr_off(a, o) wattr_off(stdscr, a, o)
(void) wattr_off(stdscr, at, opts);
code = wattr_off(__m_screen->_slk._w, at, opts);