mp->num_msgstats = MSGSTATNUM (mp->lowoff, mp->hghoff);
mp->msgstats = mh_xmalloc (MSGSTATSIZE(mp));
for (i = 0, v = mp->msgstats; i < mp->num_msgstats; ++i, ++v) {
mp->num_msgstats = MSGSTATNUM (mp->lowoff, mp->hghoff);
mp->msgstats = mh_xmalloc (MSGSTATSIZE(mp));
for (i = 0, v = mp->msgstats; i < mp->num_msgstats; ++i, ++v) {