REQUEST_TTY_NO
{ "false", REQUEST_TTY_NO },
{ "no", REQUEST_TTY_NO },
options.request_tty = REQUEST_TTY_NO;
options.request_tty = REQUEST_TTY_NO;
options.request_tty == REQUEST_TTY_NO) {
tty_flag = options.request_tty != REQUEST_TTY_NO;
if (options.request_tty == REQUEST_TTY_NO ||
options.request_tty = REQUEST_TTY_NO;