if (setresgid(pw->pw_gid, pw->pw_gid, pw->pw_gid) < 0)
fatal("setresgid %u: %.100s", (u_int)pw->pw_gid, strerror(errno));
#elif defined(HAVE_SETREGID) && !defined(BROKEN_SETREGID)
if (setresgid(pw->pw_gid, pw->pw_gid, pw->pw_gid) < 0)
fatal("setresgid %u: %.100s", (u_int)pw->pw_gid, strerror(errno));
#elif defined(HAVE_SETREGID) && !defined(BROKEN_SETREGID)