62 static void client(int id, int pipefd[])  in client()  argument
71 	close(pipefd[0]);  in client()
92 		write(pipefd[1], &fd, 1);  in client()
97 	close(pipefd[1]);  in client()
100 static void server(int id, int pipefd[])  in server()  argument
105 	close(pipefd[1]);  in server()
115 		read(pipefd[0], &fd, 1);  in server()
119 	close(pipefd[0]);  in server()
124 	int i, status, pipefd[2];  in reproduce()  local
140 			if (pipe(pipefd) < 0) {  in reproduce()
153 				server(i, pipefd);  in reproduce()
155 				client(i-1, pipefd);  in reproduce()
163 			close(pipefd[0]);  in reproduce()
164 			close(pipefd[1]);  in reproduce()