ulmax
max_excess_zone = ulmax(max_excess_zone,
shole = ulmax(vm_map_min(map), shole);
LIBKERN_INLINE u_long ulmax(u_long, u_long);
tp->snd_cwnd = ulmax((tp->snd_cwnd / tp->t_maxseg) *
tp->snd_cwnd = ulmin(10 * mss, ulmax(2 * mss, 14600));
tp->snd_cwnd = ulmin(4 * mss, ulmax(2 * mss, 4380));