51 static int win_do_lines(win_T *wp, int row, int line_count, int mayclear, int del, int clear_attr);
3387     int		line_count,  in win_ins_lines()  argument
3402     if (line_count > wp->w_height - row)  in win_ins_lines()
3403 	line_count = wp->w_height - row;  in win_ins_lines()
3405     retval = win_do_lines(wp, row, line_count, mayclear, FALSE, 0);  in win_ins_lines()
3418 	if (screen_del_lines(0, W_WINROW(wp) + wp->w_height - line_count,  in win_ins_lines()
3419 				  line_count, (int)Rows, FALSE, 0, NULL) == OK)  in win_ins_lines()
3432 	lastrow = nextrow + line_count;  in win_ins_lines()
3435 	screen_fill(nextrow - line_count, lastrow - line_count,  in win_ins_lines()
3440     if (screen_ins_lines(0, W_WINROW(wp) + row, line_count, (int)Rows, 0, NULL)  in win_ins_lines()
3466     int		line_count,  in win_del_lines()  argument
3476     if (line_count > wp->w_height - row)  in win_del_lines()
3477 	line_count = wp->w_height - row;  in win_del_lines()
3479     retval = win_do_lines(wp, row, line_count, mayclear, TRUE, clear_attr);  in win_del_lines()
3483     if (screen_del_lines(0, W_WINROW(wp) + row, line_count,  in win_del_lines()
3493 	if (screen_ins_lines(0, W_WINROW(wp) + wp->w_height - line_count,  in win_del_lines()
3494 			      line_count, (int)Rows, clear_attr, NULL) == FAIL)  in win_del_lines()
3518     int		line_count,  in win_do_lines()  argument
3525     if (!redrawing() || line_count <= 0)  in win_do_lines()
3534     if (mayclear && Rows - line_count < 5 && wp->w_width == Columns)  in win_do_lines()
3548     if (row + line_count >= wp->w_height)  in win_do_lines()
3578 	    retval = screen_del_lines(W_WINROW(wp) + row, 0, line_count,  in win_do_lines()
3581 	    retval = screen_ins_lines(W_WINROW(wp) + row, 0, line_count,  in win_do_lines()
3644     int		line_count,  in screen_ins_lines()  argument
3668 	     || line_count <= 0 || line_count > p_ttyscroll  in screen_ins_lines()
3704     result_empty = (row + line_count >= end);  in screen_ins_lines()
3709     else if (*T_CAL != NUL && (line_count > 1 || *T_AL == NUL))  in screen_ins_lines()
3711     else if (*T_CDL != NUL && result_empty && (line_count > 1 || !can_ce))  in screen_ins_lines()
3730 	return screen_del_lines(off, row, line_count, end, FALSE, 0, wp);  in screen_ins_lines()
3738 	screen_del_lines(off, end - line_count, line_count, end, FALSE, 0, wp);  in screen_ins_lines()
3746 	clip_scroll_selection(-line_count);  in screen_ins_lines()
3773     for (i = 0; i < line_count; ++i)  in screen_ins_lines()
3779 	    while ((j -= line_count) >= row)  in screen_ins_lines()
3780 		linecopy(j + line_count, j, wp);  in screen_ins_lines()
3781 	    j += line_count;  in screen_ins_lines()
3793 	    while ((j -= line_count) >= row)  in screen_ins_lines()
3795 		LineOffset[j + line_count] = LineOffset[j];  in screen_ins_lines()
3796 		LineWraps[j + line_count] = LineWraps[j];  in screen_ins_lines()
3798 	    LineOffset[j + line_count] = temp;  in screen_ins_lines()
3799 	    LineWraps[j + line_count] = FALSE;  in screen_ins_lines()
3821 	term_append_lines(line_count);  in screen_ins_lines()
3826 	for (i = 0; i < line_count; i++)  in screen_ins_lines()
3846 	for (i = 0; i < line_count; ++i)  in screen_ins_lines()
3874     int		line_count,  in screen_del_lines()  argument
3898     if (!screen_valid(TRUE) || line_count <= 0  in screen_del_lines()
3899 					|| (!force && line_count > p_ttyscroll)  in screen_del_lines()
3910     result_empty = row + line_count >= end;  in screen_del_lines()
3938 			    line_count == 1 ||  in screen_del_lines()
3942     else if (*T_CDL != NUL && line_count > 1 && can_delete)  in screen_del_lines()
3960 	clip_scroll_selection(line_count);  in screen_del_lines()
3994     for (i = 0; i < line_count; ++i)  in screen_del_lines()
4000 	    while ((j += line_count) <= end - 1)  in screen_del_lines()
4001 		linecopy(j - line_count, j, wp);  in screen_del_lines()
4002 	    j -= line_count;  in screen_del_lines()
4015 	    while ((j += line_count) <= end - 1)  in screen_del_lines()
4017 		LineOffset[j - line_count] = LineOffset[j];  in screen_del_lines()
4018 		LineWraps[j - line_count] = LineWraps[j];  in screen_del_lines()
4020 	    LineOffset[j - line_count] = temp;  in screen_del_lines()
4021 	    LineWraps[j - line_count] = FALSE;  in screen_del_lines()
4050 	term_delete_lines(line_count);  in screen_del_lines()
4061 	for (i = line_count; --i >= 0; )  in screen_del_lines()
4066 	for (i = line_count; --i >= 0; )  in screen_del_lines()
4088 	for (i = line_count; i > 0; --i)  in screen_del_lines()