CTLF_RELIABLE
if (l->ctl_flags & CTLF_RELIABLE)
if (l->ctl_flags & CTLF_RELIABLE)
if (l->ctl_flags & CTLF_RELIABLE)
if (l->ctl_flags & CTLF_RELIABLE)
if ((l->ctl_flags & CTLF_RELIABLE) == 0) {
l->ctl_flags |= CTLF_RELIABLE;