128       if(screen->damaged.start_col > rect.start_col)  in damagerect()
129         screen->damaged.start_col = rect.start_col;  in damagerect()
165     .start_col = 0,  in damagescreen()
194     .start_col = pos.col,  in putglyph()
212      dest.start_row == 0 && dest.start_col == 0 &&  // starts top-left corner  in moverect_internal()
224   int cols = src.end_col - src.start_col;  in moverect_internal()
240     memmove(getcell(screen, row, dest.start_col),  in moverect_internal()
241             getcell(screen, row + downward, src.start_col),  in moverect_internal()
272     for(int col = rect.start_col; col < rect.end_col; col++) {  in erase_internal()
355   else if(rect.start_col <= screen->damaged.start_col &&  in scrollrect()
502         .start_col = 0,  in resize()
530       .start_col = old_cols,  in resize()
546           .start_col = 0,  in resize()
568       .start_col = 0,  in resize()
595       .start_col = 0,  in setlineinfo()
601       rect.start_col = screen->cols / 2;  in setlineinfo()
696     for(int col = rect.start_col; col < rect.end_col; col++) {  in _get_chars()
897   if(extent->start_col < 0)  in vterm_screen_get_attrs_extent()
898     extent->start_col = 0;  in vterm_screen_get_attrs_extent()
904   for(col = pos.col - 1; col >= extent->start_col; col--)  in vterm_screen_get_attrs_extent()
907   extent->start_col = col + 1;  in vterm_screen_get_attrs_extent()