3869 		int dup_fd, pipe_fds[2];  in TEST()  local
3872 		ASSERT_GE(pipe(pipe_fds), 0);  in TEST()
3874 		dup_fd = dup(pipe_fds[0]);  in TEST()
3876 		EXPECT_NE(pipe_fds[0], dup_fd);  in TEST()
3879 		ASSERT_EQ(filecmp(self, self, pipe_fds[0], dup_fd), 0);  in TEST()
4846 	int pipe_fds[2];  in TEST()  local
4868 	ASSERT_EQ(pipe(pipe_fds), 0);  in TEST()
4884 		close(pipe_fds[0]);  in TEST()
4903 			if (write(pipe_fds[1], &c, sizeof(c)) != 1) {  in TEST()
4919 	close(pipe_fds[1]);  in TEST()
4925 			.fd = pipe_fds[0],  in TEST()
4937 		ASSERT_EQ(read(pipe_fds[0], &c, sizeof(c)), 1)  in TEST()