23 advance_color_col(int vcol, int **color_cols)  in advance_color_col()  argument
25     while (**color_cols >= 0 && vcol > **color_cols)  in advance_color_col()
233     long	vcol = 0;		// virtual column (for tabs)  in win_line()  local
431 # define VCOL_HLC (vcol - vcol_off)  in win_line()
435 	vcol -= vcol_off; \  in win_line()
442 # define VCOL_HLC (vcol)  in win_line()
792 	while (vcol < v && *ptr != NUL)  in win_line()
794 	    c = win_lbr_chartabsize(wp, line, ptr, (colnr_T)vcol, NULL);  in win_line()
795 	    vcol += c;  in win_line()
806 	if (vcol < v && (  in win_line()
812 	    vcol = v;  in win_line()
816 	if (vcol > v)  in win_line()
818 	    vcol -= c;  in win_line()
823 	       n_skip = v - vcol;  in win_line()
828 	if (tocol <= vcol)  in win_line()
830 	else if (fromcol >= 0 && fromcol < vcol)  in win_line()
831 	    fromcol = vcol;  in win_line()
1225 		    if (tocol == vcol)  in win_line()
1271 		    vcol_sbr = vcol + MB_CHARLEN(sbr);  in win_line()
1274 		    if (tocol == vcol)  in win_line()
1306 		&& vcol >= left_curline_col  in win_line()
1307 		&& vcol < right_curline_col)  in win_line()
1318 		   && lnum == wp->w_cursor.lnum && vcol >= (long)wp->w_virtcol)  in win_line()
1341 	    if (vcol == fromcol  in win_line()
1342 		    || (has_mbyte && vcol + 1 == fromcol && n_extra == 0  in win_line()
1345 			&& vcol_prev < vcol	// not at margin  in win_line()
1346 			&& vcol < tocol))  in win_line()
1349 		    && (vcol == tocol  in win_line()
1350 			|| (noinvcur && (colnr_T)vcol == wp->w_virtcol)))  in win_line()
1384 			&& (!cul_screenline || (vcol >= left_curline_col  in win_line()
1385 						&& vcol <= right_curline_col)))  in win_line()
1466 		    syntax_attr = term_get_attr(wp, lnum, vcol);  in win_line()
1554 				|| vcol < fromcol || vcol_prev < fromcol_prev  in win_line()
1555 				|| vcol >= tocol))  in win_line()
1981 		    n_extra = win_lbr_chartabsize(wp, line, p, (colnr_T)vcol,  in win_line()
1986 		    if (vcol == vcol_sbr)  in win_line()
1995 			n_extra = tabstop_padding(vcol, wp->w_buffer->b_p_ts,  in win_line()
1999 				       - vcol % (int)wp->w_buffer->b_p_ts - 1;  in win_line()
2097 		    long vcol_adjusted = vcol; // removed showbreak length  in win_line()
2103 		    if (*sbr != NUL && vcol == vcol_sbr && wp->w_p_wrap)  in win_line()
2104 			vcol_adjusted = vcol - MB_CHARLEN(sbr);  in win_line()
2239 				&& tocol > vcol  in win_line()
2248 				    && (colnr_T)vcol == wp->w_virtcol)))  in win_line()
2272 				&& tocol != MAXCOL && vcol < tocol)  in win_line()
2346 			 && vcol < tocol  in win_line()
2398 					|| (vcol >= left_curline_col  in win_line()
2399 						 && vcol <= right_curline_col)))  in win_line()
2412 			    if (!cul_screenline || (vcol >= left_curline_col  in win_line()
2413 						  && vcol <= right_curline_col))  in win_line()
2455 		    vcol += n_extra;  in win_line()
2508 		&& (int)wp->w_virtcol <= vcol + n_skip)  in win_line()
2556 	    if ((long)preedit_start_col <= vcol && vcol < (long)tcol)  in win_line()
2637 		    && ((area_attr != 0 && vcol == fromcol  in win_line()
2709 		++vcol;  in win_line()
2725 	    if (vcol < v + col - win_col_off(wp))  in win_line()
2726 		vcol = v + col - win_col_off(wp);  in win_line()
2780 		    ++vcol;  in win_line()
2872 	vcol_prev = vcol;  in win_line()
2934 		    ++vcol;  in win_line()
2937 		if (tocol == vcol)  in win_line()
2983 		    vcol += n_extra;  in win_line()
3035 		    vcol += n_extra;  in win_line()
3053 	    ++vcol;  in win_line()