_cursesi_addwchar
return _cursesi_addwchar(win, &lnp, &(win->cury), &(win->curx), wch, 1);
err = _cursesi_addwchar(win, &lp, py, px, &cc, char_interp);
int _cursesi_addwchar(WINDOW *, __LINE **, int *, int *, const cchar_t *,
_cursesi_addwchar(win, &lnp, &y, &x, &cc, 0);