281 grid_clear(struct grid *gd, u_int px, u_int py, u_int nx, u_int ny)  in grid_clear()  argument
285 	GRID_DEBUG(gd, "px=%u, py=%u, nx=%u, ny=%u", px, py, nx, ny);  in grid_clear()
287 	if (nx == 0 || ny == 0)  in grid_clear()
291 		grid_clear_lines(gd, py, ny);  in grid_clear()
297 	if (grid_check_y(gd, py + ny - 1) != 0)  in grid_clear()
300 	for (yy = py; yy < py + ny; yy++) {  in grid_clear()
317 grid_clear_lines(struct grid *gd, u_int py, u_int ny)  in grid_clear_lines()  argument
322 	GRID_DEBUG(gd, "py=%u, ny=%u", py, ny);  in grid_clear_lines()
324 	if (ny == 0)  in grid_clear_lines()
329 	if (grid_check_y(gd, py + ny - 1) != 0)  in grid_clear_lines()
332 	for (yy = py; yy < py + ny; yy++) {  in grid_clear_lines()
341 grid_move_lines(struct grid *gd, u_int dy, u_int py, u_int ny)  in grid_move_lines()  argument
345 	GRID_DEBUG(gd, "dy=%u, py=%u, ny=%u", dy, py, ny);  in grid_move_lines()
347 	if (ny == 0 || py == dy)  in grid_move_lines()
352 	if (grid_check_y(gd, py + ny - 1) != 0)  in grid_move_lines()
356 	if (grid_check_y(gd, dy + ny - 1) != 0)  in grid_move_lines()
360 	for (yy = dy; yy < dy + ny; yy++) {  in grid_move_lines()
361 		if (yy >= py && yy < py + ny)  in grid_move_lines()
367 	    &gd->linedata[dy], &gd->linedata[py], ny * (sizeof *gd->linedata));  in grid_move_lines()
370 	for (yy = py; yy < py + ny; yy++) {  in grid_move_lines()
371 		if (yy >= dy && yy < dy + ny)  in grid_move_lines()
659     u_int ny)  in grid_duplicate_lines()  argument
664 	GRID_DEBUG(src, "dy=%u, sy=%u, ny=%u", dy, sy, ny);  in grid_duplicate_lines()
666 	if (dy + ny > dst->hsize + dst->sy)  in grid_duplicate_lines()
667 		ny = dst->hsize + dst->sy - dy;  in grid_duplicate_lines()
668 	if (sy + ny > src->hsize + src->sy)  in grid_duplicate_lines()
669 		ny = src->hsize + src->sy - sy;  in grid_duplicate_lines()
670 	grid_clear_lines(dst, dy, ny);  in grid_duplicate_lines()
672 	for (yy = 0; yy < ny; yy++) {  in grid_duplicate_lines()