echo_off
echo_off();
echo_off();
echo_off();
echo_off();
void echo_off(void);
int echo_off;
echo_off = 0;
echo_off = 1;
r->resp = getinput(echo_off);
int32_t echo_off = 0;
echo_off = tcsetattr(fileno(in), TCSAFLUSH, &tio) == 0;
if (echo_off)
echo_off();
int echo_off = 0;
echo_off = 1;
r->resp = vt_getinput(echo_off);