47 NAME(erasecols)(cookie, row, col, num, attr)
49 	int row, col, num;  variable
64 		num += col;
68 	if ((col + num) > ri->ri_cols)
69 		num = ri->ri_cols - col;
71 	if (num <= 0)
75 	num *= ri->ri_font->fontwidth << PIXEL_SHIFT;
80 	if ((col & 31) + num <= 32) {
81 		lmask = ~rasops_pmask[col & 31][num];
92 		rmask = rasops_lmask[(col + num) & 31];
95 			num = (num - (32 - (col & 31))) >> 5;
97 			num = num >> 5;
111 			for (cnt = num; cnt > 0; cnt--)
127 	int lmask, rmask, height, row, col, num;  variable
133 	num = ri->ri_font->fontwidth << PIXEL_SHIFT;
136 	if ((col & 31) + num <= 32) {
137 		lmask = rasops_pmask[col & 31][num];
146 		rmask = ~rasops_lmask[(col + num) & 31];
165 NAME(copycols)(cookie, row, src, dst, num)
167 	int row, src, dst, num;  variable
184 		num += src;
188 	if ((src + num) > ri->ri_cols)
189 		num = ri->ri_cols - src;
192 		num += dst;
196 	if ((dst + num) > ri->ri_cols)
197 		num = ri->ri_cols - dst;
199 	if (num <= 0)
206 	num *= cnt;
211 	if (db + num <= 32) {
218 			GETBITS(srp, sb, num, tmp);
219 			PUTBITS(tmp, db, num, drp);
228 	rmask = rasops_lmask[(dst + num) & 31];
230 	rnum = (dst + num) & 31;
233 		full = (num - (32 - (dst & 31))) >> 5;
235 		full = num >> 5;
237 	if (src < dst && src + num > dst) {
240 		src = src + num;
241 		dst = dst + num;