454 __m_cc_first(w, y, x)  in __m_cc_first()  argument
456 int y, x;
460 	for (lp = w->_line[y]; 0 < x; --x) {
472 __m_cc_next(w, y, x)  in __m_cc_next()  argument
474 int y, x;
478 	for (lp = w->_line[y]; ++x < w->_maxx; ) {
490 __m_cc_islast(w, y, x)  in __m_cc_islast()  argument
492 int y, x;
496 	first = __m_cc_first(w, y, x);
497 	width = __m_cc_width(&w->_line[y][x]);
512 __m_cc_replace(w, y, x, cc, as_is)  in __m_cc_replace()  argument
514 int y, x; 
527 		(void) __m_cc_erase(w, y, x, y, w->_maxx-1);
537 	(void) __m_cc_erase(w, y, x, y, x + width - 1);
540 	cp = &w->_line[y][x++];
567 __m_do_scroll(WINDOW *w, int y, int x, int *yp, int *xp)  in __m_do_scroll()  argument
572 	++y;  in __m_do_scroll()
574 	if (y == w->_bottom) {  in __m_do_scroll()
575 		--y;  in __m_do_scroll()
581 	} else if (w->_maxy <= y) {  in __m_do_scroll()
582 		y = w->_maxy-1;  in __m_do_scroll()
590 	*yp = y;  in __m_do_scroll()
605 __m_cc_add(w, y, x, cc, as_is, yp, xp)  in __m_cc_add()  argument
607 int y, x; 
616 		w, y, x, cc, as_is, yp, xp
623 		if (__m_cc_erase(w, y, x, y, nx-1) == -1)
628 			if (__m_do_scroll(w, y, x, &y, &x) == ERR)
633 		if (__m_cc_erase(w, y, x, y, w->_maxx-1) == -1)
636 		if (__m_do_scroll(w, y, x, &y, &x) == ERR)
647 		width = __m_cc_replace(w, y, x, cc, as_is);
652 			if (__m_do_scroll(w, y, x, &y, &x) == ERR)
656 				x += __m_cc_replace(w, y, x, cc, as_is);
662 	*yp = y;
677 __m_cc_erase(w, y, x, ly, lx)  in __m_cc_erase()  argument
679 int y, x, ly, lx;
684 	if (ly < y)
695 	x = __m_cc_first(w, y, x);
703 	if (y < ly && (lx + 1) % width != 0)
708 	for (; y < ly; ++y, x = 0) {
709 		if (x < w->_first[y])
710 			w->_first[y] = (short) x;
712 		for (cp = w->_line[y], i = 0; x < w->_maxx; ++x, ++i) {
722 		if (w->_last[y] < x)
723 			w->_last[y] = (short) x;
726 	if (x < w->_first[y])
727 		w->_first[y] = (short) x;
729 	for (cp = w->_line[y], i = 0; x <= lx; ++x, ++i) {
739 	if (w->_last[y] < x)
740 		w->_last[y] = (short) x;
750 __m_cc_expand(w, y, x, side)  in __m_cc_expand()  argument
752 int y, x, side;
757 	width = __m_cc_width(&w->_line[y][x]);
760 		dx = __m_cc_next(w, y, x) - width;
762 		dx = __m_cc_first(w, y, x);
769 	cc = w->_line[y][x];
771 	return __m_cc_replace(w, y, dx, &cc, 0);