53 execute(t, wanttty, pipein, pipeout)  in execute()  argument
55 	int wanttty, *pipein, *pipeout;
278 				(void) close(pipein[0]);
279 				unsetfd(pipein[0]);
280 				(void) close(pipein[1]);
281 				unsetfd(pipein[1]);
287 		doio(t, pipein, pipeout);
327 		execute(t->t_dcar, wanttty, pipein, pv);
410 doio(struct command *t, int *pipein, int *pipeout)  in doio()  argument
432 			fd = dup(pipein[0]);  in doio()
435 			(void) close(pipein[0]);  in doio()
436 			(void) unsetfd(pipein[0]);  in doio()
437 			(void) close(pipein[1]);  in doio()
438 			(void) unsetfd(pipein[1]);  in doio()