vi/port/ex_v.c

133 	struct winsize jwin;
136 	if(ioctl(0, TIOCGWINSZ, &jwin) != -1) {
138 		oldlines = jwin.ws_row;
139 		oldcolumns = jwin.ws_col;
142 			if (columns != jwin.ws_col || lines != jwin.ws_row)
154 	struct winsize jwin;
157 	if(ioctl(0, TIOCGWINSZ, &jwin) != -1) {
158 		if (jwin.ws_col > 0)
159 			columns = jwin.ws_col;
160 		if (jwin.ws_row > 0)
161 			lines = jwin.ws_row;
174 		jwin.ws_row = lines;
175 		jwin.ws_col = columns;
177 		if (ioctl(0, TIOCSWINSZ, &jwin) == -1) {
178 			jwin.ws_row = oldlines;
179 			jwin.ws_col = oldcolumns;
181 			ioctl(0, TIOCSWINSZ, &jwin);