2620 	int devnull, ret = 0;  in stdfd_devnull()  local
2622 	if ((devnull = open(_PATH_DEVNULL, O_RDWR)) == -1) {  in stdfd_devnull()
2627 	if ((do_stdin && dup2(devnull, STDIN_FILENO) == -1) ||  in stdfd_devnull()
2628 	    (do_stdout && dup2(devnull, STDOUT_FILENO) == -1) ||  in stdfd_devnull()
2629 	    (do_stderr && dup2(devnull, STDERR_FILENO) == -1)) {  in stdfd_devnull()
2633 	if (devnull > STDERR_FILENO)  in stdfd_devnull()
2634 		close(devnull);  in stdfd_devnull()
2654 	int fd, devnull, p[2], i;  in subprocess()  local
2739 		if ((devnull = open(_PATH_DEVNULL, O_RDWR)) == -1) {  in subprocess()
2744 		if (dup2(devnull, STDIN_FILENO) == -1) {  in subprocess()
2754 			fd = devnull;  in subprocess()