intalloc
p = intalloc(setcnt + 1, __func__);
f->posns[0] = intalloc(*(f->re[0].lfollow), __func__);
f->posns[1] = intalloc(1, __func__);
f->posns[2] = intalloc(k + 1, __func__);
p = intalloc(setcnt + 1, __func__);