HW_NCPU
mib[1] = HW_NCPU;
static int mib[2] = { CTL_HW, HW_NCPU };
mib[1] = HW_NCPU;
mib[1] = HW_NCPU;
CTL_HW, HW_NCPU, CTL_EOL);
mib[1] = HW_NCPU;
static int ncpu_mib[2] = { CTL_HW, HW_NCPU };
mib[1] = HW_NCPU;
mib[1] = HW_NCPU;