serial.h

char * baud_rate

int open_serial_port(const char * port_name)

int write_serial_port(const void * buf, int num)

void input_flush_serial_port(void)

int read_serial_port_nb(unsigned char * buf, int bufsize)

int read_serial_port(unsigned char * buf, int bufsize)

void close_serial_port(void)

void send_break_signal(void)

int set_baud(const char * baud_name)

int serial_port_fd(void)

void set_rts(int val)

void set_dtr(int val)

void change_baud(const char * baud_name)