+#else
+ errno = 0;
+ ASSERT(sendfd (0, 0) == -1);
+ ASSERT(errno == ENOSYS);
+
+ errno = 0;
+ ASSERT(recvfd (0, 0) == -1);
+ ASSERT(errno == ENOSYS);
+
+ fputs ("skipping test: socketpair not supported on this system\n",
+ stderr);
+ return 77;
+#endif