63 int	first, last;	/* first and last visible face; last is first invisible */  variable
256 	if(i<first || i>=last)  in drawface()
258 	r = facerect(i-first);  in drawface()
293 	last = first+nacross*ndown;  in setlast()
310 	draw(screen, leftr, first>0? blue : bgrnd, left, leftright.min);  in drawarrows()
324 	if(first != 0){  in addface()
325 		first = 0;  in addface()
398 	if(j < first)  in delface()
399 		first--;  in delface()
403 		x = (j-first)%nx;  in delface()
404 		for(y=(j-first)/nx; y<ny; y++){  in delface()
424 			r = facerect(last-first-1);  in delface()
546 	if(ptinrect(p, leftr) && first>0){  in scroll()
548 			delta = -first;  in scroll()
551 			if(delta > first)  in scroll()
552 				delta = first;  in scroll()
557 			delta = (nfaces-nacross*ndown) - first;  in scroll()
564 	first += delta;  in scroll()
601 			for(i=first; i<last; i++)	/* clear vwhois faces */  in click()
602 				if(ptinrect(p, facerect(i-first))   in click()
615 		for(i=first; i<last; i++)  in click()
616 			if(ptinrect(p, facerect(i-first))){  in click()