#elif defined(HAVE_SETREGID)
r = setregid(gr->gr_gid, gr->gr_gid);
#else
#elif defined(HAVE_SETREGID)
r = setregid(gr->gr_gid, gr->gr_gid);
#else
#elif defined(HAVE_SETREUID)
r = setreuid(pw->pw_uid, pw->pw_uid);
#else
#elif defined(HAVE_SETREUID)
r = setreuid(pw->pw_uid, pw->pw_uid);
#else