XGetClassHint(dpy, c->win, &ch);
class = ch.res_class ? ch.res_class : broken;
instance = ch.res_name ? ch.res_name : broken;
for(i = 0; i < LENGTH(rules); i++) {
r = &rules[i];
XGetClassHint(dpy, c->win, &ch);
class = ch.res_class ? ch.res_class : broken;
instance = ch.res_name ? ch.res_name : broken;
for(i = 0; i < LENGTH(rules); i++) {
r = &rules[i];