62     for ((buf) = lastbuf; (buf) != NULL; (buf) = (buf)->b_prev)
726 	if (buf->b_prev == NULL)  in close_buffer()
729 	    buf->b_prev->b_next = buf->b_next;  in close_buffer()
731 	    lastbuf = buf->b_prev;  in close_buffer()
733 	    buf->b_next->b_prev = buf->b_prev;  in close_buffer()
1286 		buf = buf->b_prev;  in do_buffer_ext()
1469 		    buf = curbuf->b_prev;  in do_buffer_ext()
1484 		    buf = buf->b_prev;  in do_buffer_ext()
1500 		buf = curbuf->b_prev;  in do_buffer_ext()
2130 	    buf->b_prev = NULL;  in buflist_new()
2136 	    buf->b_prev = lastbuf;  in buflist_new()
2149 	    while (buf->b_prev != NULL && buf->b_fnum < buf->b_prev->b_fnum)  in buflist_new()
2151 		buf_T	*prev = buf->b_prev;  in buflist_new()
2155 		    prev->b_next->b_prev = prev;  in buflist_new()
2157 		buf->b_prev = prev->b_prev;  in buflist_new()
2158 		if (buf->b_prev != NULL)  in buflist_new()
2159 		    buf->b_prev->b_next = buf;  in buflist_new()
2160 		prev->b_prev = buf;  in buflist_new()