#define MESGSIZE 16384
#define PRBUFSIZ 8192

enum pr_state {
	PR_INIT,
	PR_IDLE,
	PR_BUSY,
	PR_WAIT,
	PR_PRINT,
	PR_PRINTERR,
	PR_ERROR,
	PR_FLUSH,
	PR_EOJ,
	PR_UNKNOWN
};

enum prog_states {
	START,
	IDLE,
	REQ_STAT,
	REQD_STAT,
	SEND_DATA,
	SENT_DATA,
	SEND_EOD,
	WAIT_FOR_EOJ,
	END_OF_JOB,
	FATAL_ERROR,
	WAIT_FOR_IDLE,
	OVER_AND_OUT
};

aggr ackpack {
	int ack;
	int pc;
};