AP_F_CAM_ATTACHED
ap->ap_flags |= AP_F_CAM_ATTACHED;
if ((ap->ap_flags & AP_F_CAM_ATTACHED) == 0)
ap->ap_flags &= ~AP_F_CAM_ATTACHED;
ap->ap_flags |= AP_F_CAM_ATTACHED;
if ((ap->ap_flags & AP_F_CAM_ATTACHED) == 0)
ap->ap_flags &= ~AP_F_CAM_ATTACHED;