1467 	chanpart_T *in_part = &channel->ch_part[PART_IN];  in channel_set_job()  local
1469 	set_bufref(&in_part->ch_bufref, job->jv_in_buf);  in channel_set_job()
1471 				 (char *)in_part->ch_bufref.br_buf->b_ffname);  in channel_set_job()
1478 		in_part->ch_bufref.br_buf->b_write_to_channel = TRUE;  in channel_set_job()
1479 		in_part->ch_buf_append = TRUE;  in channel_set_job()
1480 		in_part->ch_buf_top =  in channel_set_job()
1481 			    in_part->ch_bufref.br_buf->b_ml.ml_line_count + 1;  in channel_set_job()
1484 		in_part->ch_buf_top = options->jo_in_top;  in channel_set_job()
1487 	    in_part->ch_buf_top = 1;  in channel_set_job()
1489 	    in_part->ch_buf_bot = options->jo_in_bot;  in channel_set_job()
1491 	    in_part->ch_buf_bot = in_part->ch_bufref.br_buf->b_ml.ml_line_count;  in channel_set_job()
1557     chanpart_T *in_part = &channel->ch_part[PART_IN];  in can_write_buf_line()  local
1559     if (in_part->ch_fd == INVALID_FD)  in can_write_buf_line()
1563     if (in_part->ch_block_write == 1)  in can_write_buf_line()
1564 	in_part->ch_block_write = -1;  in can_write_buf_line()
1565     else if (in_part->ch_block_write == -1)  in can_write_buf_line()
1566 	in_part->ch_block_write = 1;  in can_write_buf_line()
1577 	FD_SET((int)in_part->ch_fd, &wfds);  in can_write_buf_line()
1582 	    ret = select((int)in_part->ch_fd + 1, NULL, &wfds, NULL, &tval);  in can_write_buf_line()
1588 	    if (ret <= 0 || in_part->ch_block_write == 1)  in can_write_buf_line()
1601 	fds.fd = in_part->ch_fd;  in can_write_buf_line()
1608 	if (in_part->ch_block_write == 1)  in can_write_buf_line()
1625     chanpart_T *in_part = &channel->ch_part[PART_IN];  in channel_write_in()  local
1627     buf_T	*buf = in_part->ch_bufref.br_buf;  in channel_write_in()
1630     if (buf == NULL || in_part->ch_buf_append)  in channel_write_in()
1632     if (!bufref_valid(&in_part->ch_bufref) || buf->b_ml.ml_mfp == NULL)  in channel_write_in()
1636 	in_part->ch_bufref.br_buf = NULL;  in channel_write_in()
1640     for (lnum = in_part->ch_buf_top; lnum <= in_part->ch_buf_bot  in channel_write_in()
1654     in_part->ch_buf_top = lnum;  in channel_write_in()
1655     if (lnum > buf->b_ml.ml_line_count || lnum > in_part->ch_buf_bot)  in channel_write_in()
1664 	in_part->ch_bufref.br_buf = NULL;  in channel_write_in()
1704     chanpart_T	*in_part = &channel->ch_part[PART_IN];  in channel_write_input()  local
1706     if (in_part->ch_writeque.wq_next != NULL)  in channel_write_input()
1708     else if (in_part->ch_bufref.br_buf != NULL)  in channel_write_input()
1710 	if (in_part->ch_buf_append)  in channel_write_input()
1711 	    channel_write_new_lines(in_part->ch_bufref.br_buf);  in channel_write_input()
1742 	chanpart_T  *in_part = &channel->ch_part[PART_IN];  in channel_write_new_lines()  local
1746 	if (in_part->ch_bufref.br_buf == buf && in_part->ch_buf_append)  in channel_write_new_lines()
1748 	    if (in_part->ch_fd == INVALID_FD)  in channel_write_new_lines()
1751 	    for (lnum = in_part->ch_buf_bot; lnum < buf->b_ml.ml_line_count;  in channel_write_new_lines()
1768 	    in_part->ch_buf_bot = lnum;  in channel_write_new_lines()
2727 	    chanpart_T  *in_part = &ch->ch_part[PART_IN];  in append_to_buffer()  local
2729 	    if (in_part->ch_bufref.br_buf == buffer)  in append_to_buffer()
2730 		in_part->ch_buf_bot = buffer->b_ml.ml_line_count;  in append_to_buffer()
3325 	chanpart_T  *in_part = &ch->ch_part[PART_IN];  in channel_fill_wfds()  local
3327 	if (in_part->ch_fd != INVALID_FD  in channel_fill_wfds()
3328 		&& (in_part->ch_bufref.br_buf != NULL  in channel_fill_wfds()
3329 		    || in_part->ch_writeque.wq_next != NULL))  in channel_fill_wfds()
3331 	    FD_SET((int)in_part->ch_fd, wfds);  in channel_fill_wfds()
3332 	    if ((int)in_part->ch_fd >= maxfd)  in channel_fill_wfds()
3333 		maxfd = (int)in_part->ch_fd + 1;  in channel_fill_wfds()
3350 	chanpart_T  *in_part = &ch->ch_part[PART_IN];  in channel_fill_poll_write()  local
3352 	if (in_part->ch_fd != INVALID_FD  in channel_fill_poll_write()
3353 		&& (in_part->ch_bufref.br_buf != NULL  in channel_fill_poll_write()
3354 		    || in_part->ch_writeque.wq_next != NULL))  in channel_fill_poll_write()
3356 	    in_part->ch_poll_idx = nfd;  in channel_fill_poll_write()
3357 	    fds[nfd].fd = in_part->ch_fd;  in channel_fill_poll_write()
3362 	    in_part->ch_poll_idx = -1;  in channel_fill_poll_write()
4430     chanpart_T	*in_part;  in channel_poll_check()  local
4451 	in_part = &channel->ch_part[PART_IN];  in channel_poll_check()
4452 	idx = in_part->ch_poll_idx;  in channel_poll_check()
4530     chanpart_T	*in_part;  in channel_select_check()  local
4551 	in_part = &channel->ch_part[PART_IN];  in channel_select_check()
4552 	if (ret > 0 && in_part->ch_fd != INVALID_FD  in channel_select_check()
4553 					    && FD_ISSET(in_part->ch_fd, wfds))  in channel_select_check()
4556 	    FD_CLR(in_part->ch_fd, wfds);  in channel_select_check()