#ifdef __cplusplus
extern "C" {
#endif

void setcombase(int cport, int cbase, int cintr);
void sethandshakemode(int cport, int hsmode);
void sethardhandshake(int cport, int hs);
void setxchars(int cport, char xon, char xoff);
void setbuffervars(int cport,int maxbuf,int nfull, int nempty);
void resetbuffer(int cport);
void setserial(int cport,int baudrate);
int checkhandshake(int cport);
void sendcom(int cport,
	     char c,       /*character to send out com port*/
	     int *errcode);   /*error code for sendcom       */
void opencom(int comport,      /*com port # - 0 or 1          */
	     int  baud,      /*baud rate - 110,150,300..9600*/
	     int parity,         /*parity 0 = no parity       */
				 /*       1 = even parity     */
				 /*       3 = odd parity      */
	     int   stopbits,      /*stop bits - 1 or 2           */
	     int   numbits,      /*word length - 7 or 8         */
	     int *errcode);     /* error code for opencom     */
                                            /*   0 = no errors             */
                                            /*   1 = com port error        */
                                            /*   2 = bauderror            */
					    /*   3 = parity error          */
                                            /*   4 = stop bits error       */
                                            /*   5 = word length error     */

void  closecom(int cport);
void checkcom(int cport,
	      char *c,      /*returns character from combuffer*/
	      int *errcode);  /*error code for checkcom       */
                                           /*   0 = no error                */
                                           /*   6 = no character available  */
                                           /*   7 = buffer overflow         */

void writecom(int cport,
		char *s,     /*string to send out com port*/
		int *errcode); /*error code for writelncom*/
void writelncom(int cport,
		char *s,     /*string to send out com port*/
		int *errcode); /*error code for writelncom*/
					 /*  0 = no error                */
					 /*  8 = time out error          */
					 /* 10 = com port not initialized*/

void readlncom(int cport,
		char *s,       /*returns string from combuffer */
		int *errcode); /*readlncom error code          */
					     /* 0 = no error                */
					     /* 6 = no character available  */
					     /* 7 = buffer overflow         */
					     /* 9 = string variable overrun */

#ifdef __cplusplus
}
#endif