UID_THIRD
if (setresuid(UID_THIRD, UID_THIRD,
UID_THIRD) < 0)
err(-1, "setresuid(%d)", UID_THIRD);
if (setresuid(UID_THIRD, UID_THIRD,
UID_THIRD) < 0)
err(-1, "setresuid(%d)", UID_THIRD);