// UNNEEDED int capability_bounding_set_drop_usermode(uint64_t drop);
// UNNEEDED int drop_privileges(uid_t uid, gid_t gid, uint64_t keep_capabilities);
// UNNEEDED int capability_bounding_set_drop_usermode(uint64_t drop);
// UNNEEDED int drop_privileges(uid_t uid, gid_t gid, uint64_t keep_capabilities);