if (xcb_icccm_get_wm_class_reply(dpy, xcb_icccm_get_wm_class(dpy, win), &reply, NULL) == 1
&& (strcmp(reply.class_name, r->cause.name) == 0
|| strcmp(reply.instance_name, r->cause.name) == 0)) {
if (xcb_icccm_get_wm_class_reply(dpy, xcb_icccm_get_wm_class(dpy, win), &reply, NULL) == 1
&& (strcmp(reply.class_name, r->cause.name) == 0
|| strcmp(reply.instance_name, r->cause.name) == 0)) {