PLEDGE_TTY
if ((pledge & PLEDGE_TTY)) {
return pledge_fail(p, error, PLEDGE_TTY);
[SYS_revoke] = PLEDGE_TTY, /* also requires PLEDGE_RPATH */
{ "tty", PLEDGE_TTY },
if ((ple & PLEDGE_TTY) &&
nd.ni_pledge = PLEDGE_RPATH | PLEDGE_TTY;
{ PLEDGE_TTY, "tty" },