__TERMATTR
if (curscr->wattr & __TERMATTR && isms) {
if (off & __TERMATTR && exit_attribute_mode != NULL) {
~(__STANDOUT | __UNDERSCORE | __TERMATTR);
screen->mask_op &= ~__TERMATTR;
~(__STANDOUT | __TERMATTR | __COLOR);
screen->mask_ue &= ~__TERMATTR;
~(__UNDERSCORE | __TERMATTR | __COLOR);
screen->mask_se &= ~__TERMATTR;