wattr_on
#define wstandout(w) (wattr_on(w, WA_STANDOUT, (void *)0), 1)
extern int wattr_on(WINDOW *, attr_t, void *);
#define attr_on(a,o) wattr_on(stdscr,a,o)
code = wattr_on(__m_screen->_slk._w, at, opts);
extern int wattr_on(WINDOW *, attr_t, void *);
#define attr_on(a, o) wattr_on(stdscr, a, o)
(void) wattr_on(stdscr, at, opts);
code = wattr_on(__m_screen->_slk._w, at, opts);