for(i = 0; i < len; i++) {
code = XKeysymToKeycode(dpy, key[i].keysym);
XGrabKey(dpy, code, key[i].mod, root, True,
GrabModeAsync, GrabModeAsync);
XGrabKey(dpy, code, key[i].mod | LockMask, root, True,
GrabModeAsync, GrabModeAsync);
for(i = 0; i < len; i++) {
code = XKeysymToKeycode(dpy, key[i].keysym);
XGrabKey(dpy, code, key[i].mod, root, True,
GrabModeAsync, GrabModeAsync);
XGrabKey(dpy, code, key[i].mod | LockMask, root, True,
GrabModeAsync, GrabModeAsync);