/* ulib.h */ extern boolean port_active; /* Port active flag for error handler */ extern int openline(char *name, BPS baud, const boolean direct); extern unsigned int sread(char *buffer, unsigned int wanted, unsigned int timeout); int swrite(char *data, unsigned int len); void ssendbrk(unsigned int duration); void closeline(void); void SIOSpeed(BPS baud); void flowcontrol( boolean ); void hangup( void ); BPS GetSpeed( void ); boolean CD( void );