/* The user must be able to write to the new TTY. Normally grantpt() would
* do this for us, but we don't trust the user and thus don't want to pass
* the pty_master to a process running under that uid. */
/* The user must be able to write to the new TTY. Normally grantpt() would
* do this for us, but we don't trust the user and thus don't want to pass
* the pty_master to a process running under that uid. */