157     if (buf == NULL || (!is_curbuf && buf->b_ml.ml_mfp == NULL) || lnum < 1)  in set_buffer_lines()
177 	append_lnum = curbuf->b_ml.ml_line_count;  in set_buffer_lines()
185 	    if (lnum > curbuf->b_ml.ml_line_count)  in set_buffer_lines()
209 	if (line == NULL || lnum > curbuf->b_ml.ml_line_count + 1)  in set_buffer_lines()
220 	if (!append && lnum <= curbuf->b_ml.ml_line_count)  in set_buffer_lines()
393     rettv->vval.v_number = (buf != NULL && buf->b_ml.ml_mfp != NULL);  in f_bufloaded()
530     if (buf->b_ml.ml_mfp == NULL || first < 1  in f_deletebufline()
531 			   || first > buf->b_ml.ml_line_count || last < first)  in f_deletebufline()
544     if (last > curbuf->b_ml.ml_line_count)  in f_deletebufline()
545 	last = curbuf->b_ml.ml_line_count;  in f_deletebufline()
572 		if (wp->w_cursor.lnum > wp->w_buffer->b_ml.ml_line_count)  in f_deletebufline()
573 		    wp->w_cursor.lnum = wp->w_buffer->b_ml.ml_line_count;  in f_deletebufline()
605     dict_add_number(dict, "linecount", buf->b_ml.ml_line_count);  in get_buffer_info()
606     dict_add_number(dict, "loaded", buf->b_ml.ml_mfp != NULL);  in get_buffer_info()
611 			    buf->b_ml.ml_mfp != NULL && buf->b_nwindows == 0);  in get_buffer_info()
711 	if (filtered && ((sel_bufloaded && buf->b_ml.ml_mfp == NULL)  in f_getbufinfo()
751     if (buf == NULL || buf->b_ml.ml_mfp == NULL || start < 0)  in get_buffer_lines()
756 	if (start >= 1 && start <= buf->b_ml.ml_line_count)  in get_buffer_lines()
769 	if (end > buf->b_ml.ml_line_count)  in get_buffer_lines()
770 	    end = buf->b_ml.ml_line_count;  in get_buffer_lines()