FIO	stdout;

/* external definitions */

int base=0;		/* lowest port # for most functions */
int group=0;		/* group #  */
int functs=0;		/* upper 6 bits of group select port */
int wrdsze=8;		/* word size ( 5, 6, 7, 8, ) */
char stopsze='l';	/* stop bit lenth ( 'l', 's') */
char parity='n';	/* parity enable bit ( 'y', 'n' ) */
char eoparty='e';	/* even or odd parity ( 'e', 'o' ) */
char dtr='n';		/* data terminal ready ( 'y', 'n' ) */
char rts='n';		/* request to send ( 'y', 'n' ) */
char threint='n';	/* trans. holding reg. interrupt */
char drint='n';		/* data ready interrupt */
char rlint='n';		/* receive line interrupt */
char modint='n';	/* modem interrupt */
char buff[BUFSZ]='\0';	/* buffer for output to terminal */
int baud=0;		/* baud rate */
int abaud[] = {		/* array of most common baud rates */
110, 300, 600, 1200,
2400, 4800, 9600, 19200
};

int dbaud[]= {		/* holds the divisor for the baud rate */
1047, 384, 192, 96,	/* in an array that matches the array */
48, 24, 12, 6		/* above for baud rates */
};

			/* has the addr of the function */
int (*error)()=0;	/* that failed , cannot point to a
			 * function that needs parameters */
 
int erflg=0;		/* 0 if not in error loop, 1 if it is */