/*
Interface to serial communications module
*/

#define BOOLEAN int
#define TRUE 1
#define FALSE 0

BOOLEAN sc_open();    /*    returns TRUE if device was opened, FALSE
                            if device could not be opened */
void sc_close();      /*    close the device */
BOOLEAN sc_dial();    /*    returns TRUE if CONNECTed to the remote
                            system */
void sc_hangup();
BOOLEAN sc_read();    /*    returns TRUE if pattern was found, FALSE
                            if time ran out */
void sc_write();
void sc_cleanup();    /*    resets link port back to original
                            configuration, should be called from
                            the application before exiting if
                            sc_close will not be called */