ssb_reserve
if (ssb_reserve(sopt->sopt_name == SO_SNDBUF ?
if (ssb_reserve(&so->so_snd, sndcc, so, rl) == 0)
if (ssb_reserve(&so->so_rcv, rcvcc, so, rl) == 0)
if (!ssb_reserve(&so->so_rcv, newsize,
ssb_reserve(&so->so_snd, bufsize, so, NULL);
ssb_reserve(&so->so_rcv, bufsize, so, NULL);
if (!ssb_reserve(&so->so_snd, newsize, so, NULL))
ssb_reserve(&so->so_snd, newsize, so, NULL);
int ssb_reserve (struct signalsockbuf *ssb, u_long cc, struct socket *so,