#define SERIAL_GET_TTY_STATE(SERIAL_T) (SERIAL_T)->ops->get_tty_state((SERIAL_T))
/* Set the state of the tty to TTYSTATE. The change is immediate.
- When changing to or from raw mode, input might be discarded. */
+ When changing to or from raw mode, input might be discarded.
+ Returns 0 for success, negative value for error (in which case errno
+ contains the error). */
#define SERIAL_SET_TTY_STATE(SERIAL_T, TTYSTATE) (SERIAL_T)->ops->set_tty_state((SERIAL_T), (TTYSTATE))
/* printf_filtered a user-comprehensible description of ttystate. */