ulmax 52 lib/libkern/libkern.h LIBKERN_INLINE u_long ulmax(u_long, u_long); ulmax 3122 netinet/tcp_input.c tp->snd_cwnd = ulmax((tp->snd_cwnd / tp->t_maxseg) * ulmax 3127 netinet/tcp_input.c tp->snd_cwnd = ulmin(4 * mss, ulmax(2 * mss, 4380));