CBAUD
uint32 baudIndex = tios->c_cflag & CBAUD;
fTTYConfig.c_cflag &= ~CBAUD;
config.c_cflag &= ~CBAUD;
uint8 baud = tios->c_cflag & CBAUD;
if (baud == CBAUD) {
fTTYConfig.c_cflag &= ~CBAUD;
config.c_cflag &= ~CBAUD;
device->line_config.c_cflag &= ~CBAUD;
options.c_cflag &= ~CBAUD;
tio.c_cflag &= ~(CBAUD);
# define cfgetospeed(ptr) ((ptr)->c_cflag&CBAUD)
# define cfsetospeed(tp, val) (tp)->c_cflag &= ~CBAUD; \
# define cfgetospeed(tp) ((tp)->c_cflag & CBAUD)
# define cfsetispeed(tp, val) (tp)->c_cflag &= ~CBAUD; \
# define cfgetispeed(tp) ((tp)->c_cflag & CBAUD)
termios->c_cflag |= CBAUD;
termios->c_cflag &= ~CBAUD;
if ((termios->c_cflag & CBAUD) == CBAUD)
return termios->c_cflag & CBAUD;
termios->c_cflag |= CBAUD;
termios->c_cflag &= ~CBAUD;
if ((termios->c_cflag & CBAUD) == CBAUD)
return termios->c_cflag & CBAUD;
termios->c_cflag |= CBAUD;
termios->c_cflag &= ~CBAUD;
tio.c_cflag &= ~(CBAUD);