RHISTSIZE
ti = (u_int)((unsigned long)t % RHISTSIZE);
last_ti = (last_ti + 1) % RHISTSIZE;
} else if (t < RHISTSIZE) {
rate_history[(ti - t) % RHISTSIZE];
rate_history[(ti + 1) % RHISTSIZE];
info.pkgimpulse = info.pkgimpulse * ONEHOUR / RHISTSIZE;
rate_history[(ti + 1) % RHISTSIZE],
static int rate_history[RHISTSIZE];