xclear(int x1, int y1, int x2, int y2) {
XSetForeground(xw.dis, dc.gc, dc.col[DefaultBG]);
XFillRectangle(xw.dis, xw.buf, dc.gc,
xclear(int x1, int y1, int x2, int y2) {
XSetForeground(xw.dis, dc.gc, dc.col[DefaultBG]);
XFillRectangle(xw.dis, xw.buf, dc.gc,