4341 open_pty(int *pty_master_fd, int *pty_slave_fd, char_u **name1, char_u **name2)  in open_pty()  argument
4350     *pty_master_fd = mch_openpty(&tty_name);	    // open pty  in open_pty()
4351     if (*pty_master_fd >= 0)  in open_pty()
4363 	    close(*pty_master_fd);  in open_pty()
4364 	    *pty_master_fd = -1;  in open_pty()
4640     int		pty_master_fd = -1;	    // for pty's  in mch_call_shell_fork()  local
4677 	    open_pty(&pty_master_fd, &pty_slave_fd, NULL, NULL);  in mch_call_shell_fork()
4681 	if (pty_master_fd < 0)  in mch_call_shell_fork()
4719 		if (pty_master_fd >= 0)		// close the pseudo tty  in mch_call_shell_fork()
4721 		    close(pty_master_fd);  in mch_call_shell_fork()
4827 		if (pty_master_fd >= 0)  in mch_call_shell_fork()
4829 		    close(pty_master_fd);   // close master side of pty  in mch_call_shell_fork()
4921 		if (pty_master_fd >= 0)  in mch_call_shell_fork()
4923 		    fromshell_fd = pty_master_fd;  in mch_call_shell_fork()
4924 		    toshell_fd = dup(pty_master_fd);  in mch_call_shell_fork()
5076 			if (len == 1 && (pty_master_fd < 0 || cmd != NULL))  in mch_call_shell_fork()
5084 			    if (pty_master_fd < 0 && toshell_fd >= 0  in mch_call_shell_fork()
5098 			if (pty_master_fd < 0)  in mch_call_shell_fork()
5390 	    if (pty_master_fd >= 0)  in mch_call_shell_fork()
5479     int		pty_master_fd = -1;  in mch_job_start()  local
5502 	open_pty(&pty_master_fd, &pty_slave_fd,  in mch_job_start()
5521 	if (!use_null_for_in && (pty_master_fd < 0 || use_buffer_for_in)  in mch_job_start()
5536     else if (!use_null_for_out && pty_master_fd < 0 && pipe(fd_out) < 0)  in mch_job_start()
5551 				      && pty_master_fd < 0 && pipe(fd_err) < 0)  in mch_job_start()
5568 					       job->jv_tty_out, pty_master_fd);  in mch_job_start()
5714 	if (pty_master_fd >= 0)  in mch_job_start()
5716 	    close(pty_master_fd); // not used in the child  in mch_job_start()
5745     if (pty_master_fd >= 0)  in mch_job_start()
5761 	    in_fd = fd_in[1] >= 0 ? fd_in[1] : pty_master_fd;  in mch_job_start()
5764 	    out_fd = fd_out[0] >= 0 ? fd_out[0] : pty_master_fd;  in mch_job_start()
5772 	    else if (out_fd != pty_master_fd)  in mch_job_start()
5773 		err_fd = pty_master_fd;  in mch_job_start()
5787 	if (pty_master_fd >= 0)  in mch_job_start()
5788 	    close(pty_master_fd);  in mch_job_start()
5808     if (pty_master_fd >= 0)  in mch_job_start()
5809 	close(pty_master_fd);  in mch_job_start()
5989     int		pty_master_fd = -1;  in mch_create_pty_channel()  local
5993     open_pty(&pty_master_fd, &pty_slave_fd, &job->jv_tty_out, &job->jv_tty_in);  in mch_create_pty_channel()
5994     if (pty_master_fd < 0 || pty_slave_fd < 0)  in mch_create_pty_channel()
6001 	close(pty_master_fd);  in mch_create_pty_channel()
6006 					       job->jv_tty_out, pty_master_fd);  in mch_create_pty_channel()
6012     channel_set_pipes(channel, pty_master_fd, pty_master_fd, INVALID_FD);  in mch_create_pty_channel()