Function restore_echo

common/hsm_secret.c:401–404

Restore terminal echo if it was disabled */

/* Restore terminal echo if it was disabled */
static void restore_echo(const struct termios *saved_term)
{
	tcsetattr(fileno(stdin), TCSANOW, saved_term);
}

/* Read line from stdin (uses tal allocation) */
static const char *read_line(const tal_t *ctx)