LINK_PERMANENT
link->flags |= LINK_PERMANENT; /* no timeout. */
link->flags &= ~LINK_PERMANENT;
link->flags |= LINK_PERMANENT;
link->flags |= LINK_PERMANENT;
link->flags |= LINK_PERMANENT;
link->flags |= LINK_PERMANENT;
if (deleteAllLinks == 0 && link->flags & LINK_PERMANENT)